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Exempt portion of equation line from aligning?


Aligning plain `align` and `cases`?Alignment across nested aligned environmentsHow to match left alignment of equations in math mode outside and inside an array?How to modify eqnarray?Alignment of two equations on LaTeXHow center align two equations separated by a lineequation custom horizontal alignment & numbering each rowFlushed-left and flushed-right text in align or alignat environmentHow can I align this equation in the center?breqn not aligning first two lines













0















I am using an array environment to get aligned portions of a series of equations to center (instead of left-justify), as shown below:



usepackage{array,amsmath}
[
begin{array}{>{displaystyle}c @{{}={}} >{displaystyle}c @{{}+{}} >{displaystyle}c @{{}+{}} >{displaystyle}c}
sumlimits_{r=0}^{n+1} binom{n+1}{r} & binom{n+1}{0} & binom{n+1}{1} + ldots + binom{n+1}{n} & binom{n+1}{n+1} \
& 1 & sumlimits_{r=1}^n binom{n+1}{r} & 1 \
end{array}
]


eqn1



The array environment (I believe) is necessary here to get each of the columns to center instead of justifying left.



Now my problem is that these two lines are part of a greater series of equations, where the others do not follow this pattern to be aligned. However, I need the equals signs to line up across all lines.



My current approach is follow the array with a normal align environment, having one equation line mirroring the longest line above but enclosed in phantom{} to get the align spacing right. But this leaves a single empty line with an equals in it.



...

begin{align*}
&= 2 + sum_{r=1}^nleft[binom{n}{r} + binom{n}{r-1}right] \
phantom{sumlimits_{r=0}^{n+1} binom{n+1}{r}} &= phantom{ binom{n+1}{0} + binom{n+1}{1} + ldots + binom{n+1}{n} + binom{n+1}{n+1}}
end{align*}


eqn2



How can I get this result, but without the extraneous equals line at the end? Preferable a more elegant one, as this idea relies on several iffy factors such as none of the following equations exceeding the size of the one governing the special alignment.










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    0















    I am using an array environment to get aligned portions of a series of equations to center (instead of left-justify), as shown below:



    usepackage{array,amsmath}
    [
    begin{array}{>{displaystyle}c @{{}={}} >{displaystyle}c @{{}+{}} >{displaystyle}c @{{}+{}} >{displaystyle}c}
    sumlimits_{r=0}^{n+1} binom{n+1}{r} & binom{n+1}{0} & binom{n+1}{1} + ldots + binom{n+1}{n} & binom{n+1}{n+1} \
    & 1 & sumlimits_{r=1}^n binom{n+1}{r} & 1 \
    end{array}
    ]


    eqn1



    The array environment (I believe) is necessary here to get each of the columns to center instead of justifying left.



    Now my problem is that these two lines are part of a greater series of equations, where the others do not follow this pattern to be aligned. However, I need the equals signs to line up across all lines.



    My current approach is follow the array with a normal align environment, having one equation line mirroring the longest line above but enclosed in phantom{} to get the align spacing right. But this leaves a single empty line with an equals in it.



    ...

    begin{align*}
    &= 2 + sum_{r=1}^nleft[binom{n}{r} + binom{n}{r-1}right] \
    phantom{sumlimits_{r=0}^{n+1} binom{n+1}{r}} &= phantom{ binom{n+1}{0} + binom{n+1}{1} + ldots + binom{n+1}{n} + binom{n+1}{n+1}}
    end{align*}


    eqn2



    How can I get this result, but without the extraneous equals line at the end? Preferable a more elegant one, as this idea relies on several iffy factors such as none of the following equations exceeding the size of the one governing the special alignment.










    share|improve this question







    New contributor




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























      0












      0








      0








      I am using an array environment to get aligned portions of a series of equations to center (instead of left-justify), as shown below:



      usepackage{array,amsmath}
      [
      begin{array}{>{displaystyle}c @{{}={}} >{displaystyle}c @{{}+{}} >{displaystyle}c @{{}+{}} >{displaystyle}c}
      sumlimits_{r=0}^{n+1} binom{n+1}{r} & binom{n+1}{0} & binom{n+1}{1} + ldots + binom{n+1}{n} & binom{n+1}{n+1} \
      & 1 & sumlimits_{r=1}^n binom{n+1}{r} & 1 \
      end{array}
      ]


      eqn1



      The array environment (I believe) is necessary here to get each of the columns to center instead of justifying left.



      Now my problem is that these two lines are part of a greater series of equations, where the others do not follow this pattern to be aligned. However, I need the equals signs to line up across all lines.



      My current approach is follow the array with a normal align environment, having one equation line mirroring the longest line above but enclosed in phantom{} to get the align spacing right. But this leaves a single empty line with an equals in it.



      ...

      begin{align*}
      &= 2 + sum_{r=1}^nleft[binom{n}{r} + binom{n}{r-1}right] \
      phantom{sumlimits_{r=0}^{n+1} binom{n+1}{r}} &= phantom{ binom{n+1}{0} + binom{n+1}{1} + ldots + binom{n+1}{n} + binom{n+1}{n+1}}
      end{align*}


      eqn2



      How can I get this result, but without the extraneous equals line at the end? Preferable a more elegant one, as this idea relies on several iffy factors such as none of the following equations exceeding the size of the one governing the special alignment.










      share|improve this question







      New contributor




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












      I am using an array environment to get aligned portions of a series of equations to center (instead of left-justify), as shown below:



      usepackage{array,amsmath}
      [
      begin{array}{>{displaystyle}c @{{}={}} >{displaystyle}c @{{}+{}} >{displaystyle}c @{{}+{}} >{displaystyle}c}
      sumlimits_{r=0}^{n+1} binom{n+1}{r} & binom{n+1}{0} & binom{n+1}{1} + ldots + binom{n+1}{n} & binom{n+1}{n+1} \
      & 1 & sumlimits_{r=1}^n binom{n+1}{r} & 1 \
      end{array}
      ]


      eqn1



      The array environment (I believe) is necessary here to get each of the columns to center instead of justifying left.



      Now my problem is that these two lines are part of a greater series of equations, where the others do not follow this pattern to be aligned. However, I need the equals signs to line up across all lines.



      My current approach is follow the array with a normal align environment, having one equation line mirroring the longest line above but enclosed in phantom{} to get the align spacing right. But this leaves a single empty line with an equals in it.



      ...

      begin{align*}
      &= 2 + sum_{r=1}^nleft[binom{n}{r} + binom{n}{r-1}right] \
      phantom{sumlimits_{r=0}^{n+1} binom{n+1}{r}} &= phantom{ binom{n+1}{0} + binom{n+1}{1} + ldots + binom{n+1}{n} + binom{n+1}{n+1}}
      end{align*}


      eqn2



      How can I get this result, but without the extraneous equals line at the end? Preferable a more elegant one, as this idea relies on several iffy factors such as none of the following equations exceeding the size of the one governing the special alignment.







      math-mode horizontal-alignment align arrays






      share|improve this question







      New contributor




      PGmath 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




      PGmath 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




      share|improve this question






      New contributor




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      Check out our Code of Conduct.









      asked 11 mins ago









      PGmathPGmath

      1011




      1011




      New contributor




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





      New contributor





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






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






















          1 Answer
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          0














          try



          documentclass{article}
          usepackage{array,amsmath}
          begin{document}
          [
          begin{array}{>{displaystyle}c @{{}={}} >{displaystyle}c @{{}+{}} >{displaystyle}c @{{}+{}} >{displaystyle}c}
          sum_{r=0}^{n+1} binom{n+1}{r}
          & binom{n+1}{0} & binom{n+1}{1} + ldots + binom{n+1}{n} & binom{n+1}{n+1} \
          & 1 & sumlimits_{r=1}^n binom{n+1}{r} & 1 \
          & multicolumn{3}{>{displaystyle}l}{
          2 + sum_{r=1}^nleft[binom{n}{r} + binom{n}{r-1}right]
          }
          end{array}
          ]
          end{document}


          enter image description here





          share























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            1 Answer
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            1 Answer
            1






            active

            oldest

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            active

            oldest

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            active

            oldest

            votes









            0














            try



            documentclass{article}
            usepackage{array,amsmath}
            begin{document}
            [
            begin{array}{>{displaystyle}c @{{}={}} >{displaystyle}c @{{}+{}} >{displaystyle}c @{{}+{}} >{displaystyle}c}
            sum_{r=0}^{n+1} binom{n+1}{r}
            & binom{n+1}{0} & binom{n+1}{1} + ldots + binom{n+1}{n} & binom{n+1}{n+1} \
            & 1 & sumlimits_{r=1}^n binom{n+1}{r} & 1 \
            & multicolumn{3}{>{displaystyle}l}{
            2 + sum_{r=1}^nleft[binom{n}{r} + binom{n}{r-1}right]
            }
            end{array}
            ]
            end{document}


            enter image description here





            share




























              0














              try



              documentclass{article}
              usepackage{array,amsmath}
              begin{document}
              [
              begin{array}{>{displaystyle}c @{{}={}} >{displaystyle}c @{{}+{}} >{displaystyle}c @{{}+{}} >{displaystyle}c}
              sum_{r=0}^{n+1} binom{n+1}{r}
              & binom{n+1}{0} & binom{n+1}{1} + ldots + binom{n+1}{n} & binom{n+1}{n+1} \
              & 1 & sumlimits_{r=1}^n binom{n+1}{r} & 1 \
              & multicolumn{3}{>{displaystyle}l}{
              2 + sum_{r=1}^nleft[binom{n}{r} + binom{n}{r-1}right]
              }
              end{array}
              ]
              end{document}


              enter image description here





              share


























                0












                0








                0







                try



                documentclass{article}
                usepackage{array,amsmath}
                begin{document}
                [
                begin{array}{>{displaystyle}c @{{}={}} >{displaystyle}c @{{}+{}} >{displaystyle}c @{{}+{}} >{displaystyle}c}
                sum_{r=0}^{n+1} binom{n+1}{r}
                & binom{n+1}{0} & binom{n+1}{1} + ldots + binom{n+1}{n} & binom{n+1}{n+1} \
                & 1 & sumlimits_{r=1}^n binom{n+1}{r} & 1 \
                & multicolumn{3}{>{displaystyle}l}{
                2 + sum_{r=1}^nleft[binom{n}{r} + binom{n}{r-1}right]
                }
                end{array}
                ]
                end{document}


                enter image description here





                share













                try



                documentclass{article}
                usepackage{array,amsmath}
                begin{document}
                [
                begin{array}{>{displaystyle}c @{{}={}} >{displaystyle}c @{{}+{}} >{displaystyle}c @{{}+{}} >{displaystyle}c}
                sum_{r=0}^{n+1} binom{n+1}{r}
                & binom{n+1}{0} & binom{n+1}{1} + ldots + binom{n+1}{n} & binom{n+1}{n+1} \
                & 1 & sumlimits_{r=1}^n binom{n+1}{r} & 1 \
                & multicolumn{3}{>{displaystyle}l}{
                2 + sum_{r=1}^nleft[binom{n}{r} + binom{n}{r-1}right]
                }
                end{array}
                ]
                end{document}


                enter image description here






                share











                share


                share










                answered 33 secs ago









                ZarkoZarko

                126k868165




                126k868165






















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