Alignment of six matricesWhy does aligning equations not work here?Multiple matrix equations, alignmentMultiple alignmentAlignment with bracketsWhy align environement does not work with “extract ”package?Align matrices problemAlignment and line breaking in alignment environmentAllow page breaks in a gather environment with a nested alignEquation Alignment with Hierarchical Left AlignmentLong series alignmentMultiple = alignmentMultiline equation with matrices

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Alignment of six matrices


Why does aligning equations not work here?Multiple matrix equations, alignmentMultiple alignmentAlignment with bracketsWhy align environement does not work with “extract ”package?Align matrices problemAlignment and line breaking in alignment environmentAllow page breaks in a gather environment with a nested alignEquation Alignment with Hierarchical Left AlignmentLong series alignmentMultiple = alignmentMultiline equation with matrices













5















I'm currently facing a problem with the align environment. I'd like to write six matrices in two rows, aligned on each equal sign per column. The problem is that I can't figure out how to do this with the align environment for some reason. I've read the related posts here and here, where [1] seems to be a bit of an overkill for my problem and [2] doesn't work for some reason...



An MWE to the problem:



documentclassarticle
usepackage[margin=2.5cm]geometry
usepackageamssymb, amsthm, mathtools
begindocument
beginalign*
I _ 1 &=
beginpmatrix
0 & 0 & 0 & 0 \
0 & 0 & 0 & 0 \
0 & 0 & 0 & 1 \
0 & 0 & - 1 & 0
endpmatrix,
I _ 2 &&=
beginpmatrix
0 & 0 & 0 & 0 \
0 & 0 & 0 & 1 \
0 & 0 & 0 & 0 \
0 & -1 & 0 & 0
endpmatrix,
I _ 3 &&=
beginpmatrix
0 & 0 & 0 & 0 \
0 & 0 & 1 & 0 \
0 & -1 & 0 & 0 \
0 & 0 & 0 & 0
endpmatrix, \
J _ 1 &=
beginpmatrix
0 & -1 & 0 & 0 \
-1 & 0 & 0 & 0 \
0 & 0 & 0 & 0 \
0 & 0 & 0 & 0
endpmatrix,
J _ 2 &&=
beginpmatrix
0 & 0 & -1 & 0 \
0 & 0 & 0 & 0 \
-1 & 0 & 0 & 0 \
0 & 0 & 0 & 0
endpmatrix,
J _ 3 &&=
beginpmatrix
0 & 0 & 0 & - 1 \
0 & 0 & 0 & 0 \
0 & 0 & 0 & 0 \
- 1 & 0 & 0 & 0
endpmatrix.
endalign*
enddocument


Note: I'm aware that most of the are useless here but the matrices were generated by Mathpix....










share|improve this question









New contributor




Marius Jaeger is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
























    5















    I'm currently facing a problem with the align environment. I'd like to write six matrices in two rows, aligned on each equal sign per column. The problem is that I can't figure out how to do this with the align environment for some reason. I've read the related posts here and here, where [1] seems to be a bit of an overkill for my problem and [2] doesn't work for some reason...



    An MWE to the problem:



    documentclassarticle
    usepackage[margin=2.5cm]geometry
    usepackageamssymb, amsthm, mathtools
    begindocument
    beginalign*
    I _ 1 &=
    beginpmatrix
    0 & 0 & 0 & 0 \
    0 & 0 & 0 & 0 \
    0 & 0 & 0 & 1 \
    0 & 0 & - 1 & 0
    endpmatrix,
    I _ 2 &&=
    beginpmatrix
    0 & 0 & 0 & 0 \
    0 & 0 & 0 & 1 \
    0 & 0 & 0 & 0 \
    0 & -1 & 0 & 0
    endpmatrix,
    I _ 3 &&=
    beginpmatrix
    0 & 0 & 0 & 0 \
    0 & 0 & 1 & 0 \
    0 & -1 & 0 & 0 \
    0 & 0 & 0 & 0
    endpmatrix, \
    J _ 1 &=
    beginpmatrix
    0 & -1 & 0 & 0 \
    -1 & 0 & 0 & 0 \
    0 & 0 & 0 & 0 \
    0 & 0 & 0 & 0
    endpmatrix,
    J _ 2 &&=
    beginpmatrix
    0 & 0 & -1 & 0 \
    0 & 0 & 0 & 0 \
    -1 & 0 & 0 & 0 \
    0 & 0 & 0 & 0
    endpmatrix,
    J _ 3 &&=
    beginpmatrix
    0 & 0 & 0 & - 1 \
    0 & 0 & 0 & 0 \
    0 & 0 & 0 & 0 \
    - 1 & 0 & 0 & 0
    endpmatrix.
    endalign*
    enddocument


    Note: I'm aware that most of the are useless here but the matrices were generated by Mathpix....










    share|improve this question









    New contributor




    Marius Jaeger is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      5












      5








      5


      1






      I'm currently facing a problem with the align environment. I'd like to write six matrices in two rows, aligned on each equal sign per column. The problem is that I can't figure out how to do this with the align environment for some reason. I've read the related posts here and here, where [1] seems to be a bit of an overkill for my problem and [2] doesn't work for some reason...



      An MWE to the problem:



      documentclassarticle
      usepackage[margin=2.5cm]geometry
      usepackageamssymb, amsthm, mathtools
      begindocument
      beginalign*
      I _ 1 &=
      beginpmatrix
      0 & 0 & 0 & 0 \
      0 & 0 & 0 & 0 \
      0 & 0 & 0 & 1 \
      0 & 0 & - 1 & 0
      endpmatrix,
      I _ 2 &&=
      beginpmatrix
      0 & 0 & 0 & 0 \
      0 & 0 & 0 & 1 \
      0 & 0 & 0 & 0 \
      0 & -1 & 0 & 0
      endpmatrix,
      I _ 3 &&=
      beginpmatrix
      0 & 0 & 0 & 0 \
      0 & 0 & 1 & 0 \
      0 & -1 & 0 & 0 \
      0 & 0 & 0 & 0
      endpmatrix, \
      J _ 1 &=
      beginpmatrix
      0 & -1 & 0 & 0 \
      -1 & 0 & 0 & 0 \
      0 & 0 & 0 & 0 \
      0 & 0 & 0 & 0
      endpmatrix,
      J _ 2 &&=
      beginpmatrix
      0 & 0 & -1 & 0 \
      0 & 0 & 0 & 0 \
      -1 & 0 & 0 & 0 \
      0 & 0 & 0 & 0
      endpmatrix,
      J _ 3 &&=
      beginpmatrix
      0 & 0 & 0 & - 1 \
      0 & 0 & 0 & 0 \
      0 & 0 & 0 & 0 \
      - 1 & 0 & 0 & 0
      endpmatrix.
      endalign*
      enddocument


      Note: I'm aware that most of the are useless here but the matrices were generated by Mathpix....










      share|improve this question









      New contributor




      Marius Jaeger is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I'm currently facing a problem with the align environment. I'd like to write six matrices in two rows, aligned on each equal sign per column. The problem is that I can't figure out how to do this with the align environment for some reason. I've read the related posts here and here, where [1] seems to be a bit of an overkill for my problem and [2] doesn't work for some reason...



      An MWE to the problem:



      documentclassarticle
      usepackage[margin=2.5cm]geometry
      usepackageamssymb, amsthm, mathtools
      begindocument
      beginalign*
      I _ 1 &=
      beginpmatrix
      0 & 0 & 0 & 0 \
      0 & 0 & 0 & 0 \
      0 & 0 & 0 & 1 \
      0 & 0 & - 1 & 0
      endpmatrix,
      I _ 2 &&=
      beginpmatrix
      0 & 0 & 0 & 0 \
      0 & 0 & 0 & 1 \
      0 & 0 & 0 & 0 \
      0 & -1 & 0 & 0
      endpmatrix,
      I _ 3 &&=
      beginpmatrix
      0 & 0 & 0 & 0 \
      0 & 0 & 1 & 0 \
      0 & -1 & 0 & 0 \
      0 & 0 & 0 & 0
      endpmatrix, \
      J _ 1 &=
      beginpmatrix
      0 & -1 & 0 & 0 \
      -1 & 0 & 0 & 0 \
      0 & 0 & 0 & 0 \
      0 & 0 & 0 & 0
      endpmatrix,
      J _ 2 &&=
      beginpmatrix
      0 & 0 & -1 & 0 \
      0 & 0 & 0 & 0 \
      -1 & 0 & 0 & 0 \
      0 & 0 & 0 & 0
      endpmatrix,
      J _ 3 &&=
      beginpmatrix
      0 & 0 & 0 & - 1 \
      0 & 0 & 0 & 0 \
      0 & 0 & 0 & 0 \
      - 1 & 0 & 0 & 0
      endpmatrix.
      endalign*
      enddocument


      Note: I'm aware that most of the are useless here but the matrices were generated by Mathpix....







      align






      share|improve this question









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      Marius Jaeger is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









      New contributor




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      share|improve this question




      share|improve this question








      edited yesterday









      Bernard

      174k776205




      174k776205






      New contributor




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      asked yesterday









      Marius JaegerMarius Jaeger

      404




      404




      New contributor




      Marius Jaeger is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





      New contributor





      Marius Jaeger is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Marius Jaeger is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.




















          2 Answers
          2






          active

          oldest

          votes


















          7














          I just moved the &



          enter image description here



          documentclassarticle
          usepackage[margin=2.5cm]geometry
          usepackageamssymb, amsthm, mathtools
          begindocument
          beginalign*
          I _ 1 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & - 1 & 0
          endpmatrix,
          &I _ 2 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & 0 & 0 \
          0 & -1 & 0 & 0
          endpmatrix,
          &I _ 3 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 1 & 0 \
          0 & -1 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix, \
          J _ 1 &=
          beginpmatrix
          0 & -1 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix,
          &J _ 2 &=
          beginpmatrix
          0 & 0 & -1 & 0 \
          0 & 0 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix,
          &J _ 3 &=
          beginpmatrix
          0 & 0 & 0 & - 1 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          - 1 & 0 & 0 & 0
          endpmatrix.
          endalign*
          enddocument





          share|improve this answer























          • David and his movement made me feel good.

            – manooooh
            yesterday






          • 1





            @marmot I didn't look at them (as I say I just moved the & ) but what about them?

            – David Carlisle
            yesterday











          • @marmot not a sign change between a test file and a supplied example, you are assuming that is the meaning of these matrices:-)

            – David Carlisle
            yesterday












          • @marmot TeX takes no position on mathematical accuracy, so long as it looks nice.

            – David Carlisle
            yesterday











          • @marmot in that case, which convention do you prefer?^^

            – Marius Jaeger
            yesterday


















          6














          Uniform alignment everywhere...



          documentclassarticle
          usepackage[margin=2.5cm]geometry
          usepackageamssymb, amsthm, mathtools
          usepackagetabstackengine
          setstacktabbedgap1ex
          begindocument
          fixTABwidthT
          beginalign*
          I _ 1 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & - 1 & 0
          ,&
          I _ 2 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & 0 & 0 \
          0 & -1 & 0 & 0
          , &
          I _ 3 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 1 & 0 \
          0 & -1 & 0 & 0 \
          0 & 0 & 0 & 0
          , \
          J _ 1 =&
          parenMatrixstack[r]
          0 & -1 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          ,&
          J _ 2 =&
          parenMatrixstack[r]
          0 & 0 & -1 & 0 \
          0 & 0 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          ,&
          J _ 3 =&
          parenMatrixstack[r]
          0 & 0 & 0 & - 1 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          - 1 & 0 & 0 & 0
          .
          endalign*
          enddocument


          enter image description here






          share|improve this answer




















          • 2





            These matrices align nicely because I and J happen to be about the same width. But if they had instead been I and M, the alignment would have been different. Better to put the "second" & before the = sign in each instance.

            – barbara beeton
            yesterday











          • @barbarabeeton Thanks for the great suggestion. Only clarification is that in TABstackengine, the & should, by default, follow the = rather than precede it.

            – Steven B. Segletes
            yesterday











          • @steven : This solution doesn't compile with overleaf.com, error at line 51.

            – pzorba75
            yesterday











          • @pzorba75 Sorry I cannot assist...I am not an overleaf user.

            – Steven B. Segletes
            yesterday










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          2 Answers
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          active

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          2 Answers
          2






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          7














          I just moved the &



          enter image description here



          documentclassarticle
          usepackage[margin=2.5cm]geometry
          usepackageamssymb, amsthm, mathtools
          begindocument
          beginalign*
          I _ 1 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & - 1 & 0
          endpmatrix,
          &I _ 2 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & 0 & 0 \
          0 & -1 & 0 & 0
          endpmatrix,
          &I _ 3 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 1 & 0 \
          0 & -1 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix, \
          J _ 1 &=
          beginpmatrix
          0 & -1 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix,
          &J _ 2 &=
          beginpmatrix
          0 & 0 & -1 & 0 \
          0 & 0 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix,
          &J _ 3 &=
          beginpmatrix
          0 & 0 & 0 & - 1 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          - 1 & 0 & 0 & 0
          endpmatrix.
          endalign*
          enddocument





          share|improve this answer























          • David and his movement made me feel good.

            – manooooh
            yesterday






          • 1





            @marmot I didn't look at them (as I say I just moved the & ) but what about them?

            – David Carlisle
            yesterday











          • @marmot not a sign change between a test file and a supplied example, you are assuming that is the meaning of these matrices:-)

            – David Carlisle
            yesterday












          • @marmot TeX takes no position on mathematical accuracy, so long as it looks nice.

            – David Carlisle
            yesterday











          • @marmot in that case, which convention do you prefer?^^

            – Marius Jaeger
            yesterday















          7














          I just moved the &



          enter image description here



          documentclassarticle
          usepackage[margin=2.5cm]geometry
          usepackageamssymb, amsthm, mathtools
          begindocument
          beginalign*
          I _ 1 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & - 1 & 0
          endpmatrix,
          &I _ 2 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & 0 & 0 \
          0 & -1 & 0 & 0
          endpmatrix,
          &I _ 3 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 1 & 0 \
          0 & -1 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix, \
          J _ 1 &=
          beginpmatrix
          0 & -1 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix,
          &J _ 2 &=
          beginpmatrix
          0 & 0 & -1 & 0 \
          0 & 0 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix,
          &J _ 3 &=
          beginpmatrix
          0 & 0 & 0 & - 1 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          - 1 & 0 & 0 & 0
          endpmatrix.
          endalign*
          enddocument





          share|improve this answer























          • David and his movement made me feel good.

            – manooooh
            yesterday






          • 1





            @marmot I didn't look at them (as I say I just moved the & ) but what about them?

            – David Carlisle
            yesterday











          • @marmot not a sign change between a test file and a supplied example, you are assuming that is the meaning of these matrices:-)

            – David Carlisle
            yesterday












          • @marmot TeX takes no position on mathematical accuracy, so long as it looks nice.

            – David Carlisle
            yesterday











          • @marmot in that case, which convention do you prefer?^^

            – Marius Jaeger
            yesterday













          7












          7








          7







          I just moved the &



          enter image description here



          documentclassarticle
          usepackage[margin=2.5cm]geometry
          usepackageamssymb, amsthm, mathtools
          begindocument
          beginalign*
          I _ 1 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & - 1 & 0
          endpmatrix,
          &I _ 2 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & 0 & 0 \
          0 & -1 & 0 & 0
          endpmatrix,
          &I _ 3 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 1 & 0 \
          0 & -1 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix, \
          J _ 1 &=
          beginpmatrix
          0 & -1 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix,
          &J _ 2 &=
          beginpmatrix
          0 & 0 & -1 & 0 \
          0 & 0 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix,
          &J _ 3 &=
          beginpmatrix
          0 & 0 & 0 & - 1 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          - 1 & 0 & 0 & 0
          endpmatrix.
          endalign*
          enddocument





          share|improve this answer













          I just moved the &



          enter image description here



          documentclassarticle
          usepackage[margin=2.5cm]geometry
          usepackageamssymb, amsthm, mathtools
          begindocument
          beginalign*
          I _ 1 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & - 1 & 0
          endpmatrix,
          &I _ 2 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & 0 & 0 \
          0 & -1 & 0 & 0
          endpmatrix,
          &I _ 3 &=
          beginpmatrix
          0 & 0 & 0 & 0 \
          0 & 0 & 1 & 0 \
          0 & -1 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix, \
          J _ 1 &=
          beginpmatrix
          0 & -1 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix,
          &J _ 2 &=
          beginpmatrix
          0 & 0 & -1 & 0 \
          0 & 0 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          endpmatrix,
          &J _ 3 &=
          beginpmatrix
          0 & 0 & 0 & - 1 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          - 1 & 0 & 0 & 0
          endpmatrix.
          endalign*
          enddocument






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered yesterday









          David CarlisleDavid Carlisle

          495k4111401888




          495k4111401888












          • David and his movement made me feel good.

            – manooooh
            yesterday






          • 1





            @marmot I didn't look at them (as I say I just moved the & ) but what about them?

            – David Carlisle
            yesterday











          • @marmot not a sign change between a test file and a supplied example, you are assuming that is the meaning of these matrices:-)

            – David Carlisle
            yesterday












          • @marmot TeX takes no position on mathematical accuracy, so long as it looks nice.

            – David Carlisle
            yesterday











          • @marmot in that case, which convention do you prefer?^^

            – Marius Jaeger
            yesterday

















          • David and his movement made me feel good.

            – manooooh
            yesterday






          • 1





            @marmot I didn't look at them (as I say I just moved the & ) but what about them?

            – David Carlisle
            yesterday











          • @marmot not a sign change between a test file and a supplied example, you are assuming that is the meaning of these matrices:-)

            – David Carlisle
            yesterday












          • @marmot TeX takes no position on mathematical accuracy, so long as it looks nice.

            – David Carlisle
            yesterday











          • @marmot in that case, which convention do you prefer?^^

            – Marius Jaeger
            yesterday
















          David and his movement made me feel good.

          – manooooh
          yesterday





          David and his movement made me feel good.

          – manooooh
          yesterday




          1




          1





          @marmot I didn't look at them (as I say I just moved the & ) but what about them?

          – David Carlisle
          yesterday





          @marmot I didn't look at them (as I say I just moved the & ) but what about them?

          – David Carlisle
          yesterday













          @marmot not a sign change between a test file and a supplied example, you are assuming that is the meaning of these matrices:-)

          – David Carlisle
          yesterday






          @marmot not a sign change between a test file and a supplied example, you are assuming that is the meaning of these matrices:-)

          – David Carlisle
          yesterday














          @marmot TeX takes no position on mathematical accuracy, so long as it looks nice.

          – David Carlisle
          yesterday





          @marmot TeX takes no position on mathematical accuracy, so long as it looks nice.

          – David Carlisle
          yesterday













          @marmot in that case, which convention do you prefer?^^

          – Marius Jaeger
          yesterday





          @marmot in that case, which convention do you prefer?^^

          – Marius Jaeger
          yesterday











          6














          Uniform alignment everywhere...



          documentclassarticle
          usepackage[margin=2.5cm]geometry
          usepackageamssymb, amsthm, mathtools
          usepackagetabstackengine
          setstacktabbedgap1ex
          begindocument
          fixTABwidthT
          beginalign*
          I _ 1 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & - 1 & 0
          ,&
          I _ 2 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & 0 & 0 \
          0 & -1 & 0 & 0
          , &
          I _ 3 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 1 & 0 \
          0 & -1 & 0 & 0 \
          0 & 0 & 0 & 0
          , \
          J _ 1 =&
          parenMatrixstack[r]
          0 & -1 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          ,&
          J _ 2 =&
          parenMatrixstack[r]
          0 & 0 & -1 & 0 \
          0 & 0 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          ,&
          J _ 3 =&
          parenMatrixstack[r]
          0 & 0 & 0 & - 1 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          - 1 & 0 & 0 & 0
          .
          endalign*
          enddocument


          enter image description here






          share|improve this answer




















          • 2





            These matrices align nicely because I and J happen to be about the same width. But if they had instead been I and M, the alignment would have been different. Better to put the "second" & before the = sign in each instance.

            – barbara beeton
            yesterday











          • @barbarabeeton Thanks for the great suggestion. Only clarification is that in TABstackengine, the & should, by default, follow the = rather than precede it.

            – Steven B. Segletes
            yesterday











          • @steven : This solution doesn't compile with overleaf.com, error at line 51.

            – pzorba75
            yesterday











          • @pzorba75 Sorry I cannot assist...I am not an overleaf user.

            – Steven B. Segletes
            yesterday















          6














          Uniform alignment everywhere...



          documentclassarticle
          usepackage[margin=2.5cm]geometry
          usepackageamssymb, amsthm, mathtools
          usepackagetabstackengine
          setstacktabbedgap1ex
          begindocument
          fixTABwidthT
          beginalign*
          I _ 1 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & - 1 & 0
          ,&
          I _ 2 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & 0 & 0 \
          0 & -1 & 0 & 0
          , &
          I _ 3 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 1 & 0 \
          0 & -1 & 0 & 0 \
          0 & 0 & 0 & 0
          , \
          J _ 1 =&
          parenMatrixstack[r]
          0 & -1 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          ,&
          J _ 2 =&
          parenMatrixstack[r]
          0 & 0 & -1 & 0 \
          0 & 0 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          ,&
          J _ 3 =&
          parenMatrixstack[r]
          0 & 0 & 0 & - 1 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          - 1 & 0 & 0 & 0
          .
          endalign*
          enddocument


          enter image description here






          share|improve this answer




















          • 2





            These matrices align nicely because I and J happen to be about the same width. But if they had instead been I and M, the alignment would have been different. Better to put the "second" & before the = sign in each instance.

            – barbara beeton
            yesterday











          • @barbarabeeton Thanks for the great suggestion. Only clarification is that in TABstackengine, the & should, by default, follow the = rather than precede it.

            – Steven B. Segletes
            yesterday











          • @steven : This solution doesn't compile with overleaf.com, error at line 51.

            – pzorba75
            yesterday











          • @pzorba75 Sorry I cannot assist...I am not an overleaf user.

            – Steven B. Segletes
            yesterday













          6












          6








          6







          Uniform alignment everywhere...



          documentclassarticle
          usepackage[margin=2.5cm]geometry
          usepackageamssymb, amsthm, mathtools
          usepackagetabstackengine
          setstacktabbedgap1ex
          begindocument
          fixTABwidthT
          beginalign*
          I _ 1 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & - 1 & 0
          ,&
          I _ 2 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & 0 & 0 \
          0 & -1 & 0 & 0
          , &
          I _ 3 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 1 & 0 \
          0 & -1 & 0 & 0 \
          0 & 0 & 0 & 0
          , \
          J _ 1 =&
          parenMatrixstack[r]
          0 & -1 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          ,&
          J _ 2 =&
          parenMatrixstack[r]
          0 & 0 & -1 & 0 \
          0 & 0 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          ,&
          J _ 3 =&
          parenMatrixstack[r]
          0 & 0 & 0 & - 1 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          - 1 & 0 & 0 & 0
          .
          endalign*
          enddocument


          enter image description here






          share|improve this answer















          Uniform alignment everywhere...



          documentclassarticle
          usepackage[margin=2.5cm]geometry
          usepackageamssymb, amsthm, mathtools
          usepackagetabstackengine
          setstacktabbedgap1ex
          begindocument
          fixTABwidthT
          beginalign*
          I _ 1 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & - 1 & 0
          ,&
          I _ 2 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 1 \
          0 & 0 & 0 & 0 \
          0 & -1 & 0 & 0
          , &
          I _ 3 =&
          parenMatrixstack[r]
          0 & 0 & 0 & 0 \
          0 & 0 & 1 & 0 \
          0 & -1 & 0 & 0 \
          0 & 0 & 0 & 0
          , \
          J _ 1 =&
          parenMatrixstack[r]
          0 & -1 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          ,&
          J _ 2 =&
          parenMatrixstack[r]
          0 & 0 & -1 & 0 \
          0 & 0 & 0 & 0 \
          -1 & 0 & 0 & 0 \
          0 & 0 & 0 & 0
          ,&
          J _ 3 =&
          parenMatrixstack[r]
          0 & 0 & 0 & - 1 \
          0 & 0 & 0 & 0 \
          0 & 0 & 0 & 0 \
          - 1 & 0 & 0 & 0
          .
          endalign*
          enddocument


          enter image description here







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited yesterday

























          answered yesterday









          Steven B. SegletesSteven B. Segletes

          159k9204411




          159k9204411







          • 2





            These matrices align nicely because I and J happen to be about the same width. But if they had instead been I and M, the alignment would have been different. Better to put the "second" & before the = sign in each instance.

            – barbara beeton
            yesterday











          • @barbarabeeton Thanks for the great suggestion. Only clarification is that in TABstackengine, the & should, by default, follow the = rather than precede it.

            – Steven B. Segletes
            yesterday











          • @steven : This solution doesn't compile with overleaf.com, error at line 51.

            – pzorba75
            yesterday











          • @pzorba75 Sorry I cannot assist...I am not an overleaf user.

            – Steven B. Segletes
            yesterday












          • 2





            These matrices align nicely because I and J happen to be about the same width. But if they had instead been I and M, the alignment would have been different. Better to put the "second" & before the = sign in each instance.

            – barbara beeton
            yesterday











          • @barbarabeeton Thanks for the great suggestion. Only clarification is that in TABstackengine, the & should, by default, follow the = rather than precede it.

            – Steven B. Segletes
            yesterday











          • @steven : This solution doesn't compile with overleaf.com, error at line 51.

            – pzorba75
            yesterday











          • @pzorba75 Sorry I cannot assist...I am not an overleaf user.

            – Steven B. Segletes
            yesterday







          2




          2





          These matrices align nicely because I and J happen to be about the same width. But if they had instead been I and M, the alignment would have been different. Better to put the "second" & before the = sign in each instance.

          – barbara beeton
          yesterday





          These matrices align nicely because I and J happen to be about the same width. But if they had instead been I and M, the alignment would have been different. Better to put the "second" & before the = sign in each instance.

          – barbara beeton
          yesterday













          @barbarabeeton Thanks for the great suggestion. Only clarification is that in TABstackengine, the & should, by default, follow the = rather than precede it.

          – Steven B. Segletes
          yesterday





          @barbarabeeton Thanks for the great suggestion. Only clarification is that in TABstackengine, the & should, by default, follow the = rather than precede it.

          – Steven B. Segletes
          yesterday













          @steven : This solution doesn't compile with overleaf.com, error at line 51.

          – pzorba75
          yesterday





          @steven : This solution doesn't compile with overleaf.com, error at line 51.

          – pzorba75
          yesterday













          @pzorba75 Sorry I cannot assist...I am not an overleaf user.

          – Steven B. Segletes
          yesterday





          @pzorba75 Sorry I cannot assist...I am not an overleaf user.

          – Steven B. Segletes
          yesterday










          Marius Jaeger is a new contributor. Be nice, and check out our Code of Conduct.









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          Marius Jaeger is a new contributor. Be nice, and check out our Code of Conduct.












          Marius Jaeger is a new contributor. Be nice, and check out our Code of Conduct.











          Marius Jaeger is a new contributor. Be nice, and check out our Code of Conduct.














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