Multiple labels for a single equation












4















I have an equation that looks like



y=4x text{ for } xin {1,2}


and would like to label it equation (1-2) so that the next equation in the paper is automatically labeled equation (3).



How can I do that?










share|improve this question









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  • Welcome to TeX.SE. I hope you'll be comfortable with us all.

    – Sebastiano
    Mar 29 at 20:08
















4















I have an equation that looks like



y=4x text{ for } xin {1,2}


and would like to label it equation (1-2) so that the next equation in the paper is automatically labeled equation (3).



How can I do that?










share|improve this question









New contributor




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





















  • Welcome to TeX.SE. I hope you'll be comfortable with us all.

    – Sebastiano
    Mar 29 at 20:08














4












4








4








I have an equation that looks like



y=4x text{ for } xin {1,2}


and would like to label it equation (1-2) so that the next equation in the paper is automatically labeled equation (3).



How can I do that?










share|improve this question









New contributor




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












I have an equation that looks like



y=4x text{ for } xin {1,2}


and would like to label it equation (1-2) so that the next equation in the paper is automatically labeled equation (3).



How can I do that?







equations amsmath labels






share|improve this question









New contributor




Fred 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




Fred 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








edited Mar 30 at 1:32









Peter Mortensen

54337




54337






New contributor




Fred is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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asked Mar 29 at 20:01









FredFred

232




232




New contributor




Fred is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor





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






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













  • Welcome to TeX.SE. I hope you'll be comfortable with us all.

    – Sebastiano
    Mar 29 at 20:08



















  • Welcome to TeX.SE. I hope you'll be comfortable with us all.

    – Sebastiano
    Mar 29 at 20:08

















Welcome to TeX.SE. I hope you'll be comfortable with us all.

– Sebastiano
Mar 29 at 20:08





Welcome to TeX.SE. I hope you'll be comfortable with us all.

– Sebastiano
Mar 29 at 20:08










2 Answers
2






active

oldest

votes


















9














enter image description here



documentclass{article}

usepackage{amsmath}

begin{document}

aaa refstepcounter{equation}
begin{equation}
1=0 tag{theequation--thenumexprvalue{equation}+1relax}
end{equation}

bbbrefstepcounter{equation}
begin{equation}
0 =1
end{equation}
end{document}





share|improve this answer































    2














    If you don't must to use sections, chapters, sub-sections, etc., a simple and fast solution it is uses a manual tag for the first equation and automatic enumerate for other equations.



    enter image description here



    documentclass[a4paper,12pt]{article}
    usepackage{mathtools}
    addtocounter{equation}{2}
    begin{document}
    begin{equation*}
    x^2+y^2=1 tag{1-2}
    end{equation*}
    begin{equation}
    x^2+y^2=4
    end{equation}
    begin{equation}
    cos x +sin x =1
    end{equation}
    end{document}





    share|improve this answer


























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      2 Answers
      2






      active

      oldest

      votes








      2 Answers
      2






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

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      9














      enter image description here



      documentclass{article}

      usepackage{amsmath}

      begin{document}

      aaa refstepcounter{equation}
      begin{equation}
      1=0 tag{theequation--thenumexprvalue{equation}+1relax}
      end{equation}

      bbbrefstepcounter{equation}
      begin{equation}
      0 =1
      end{equation}
      end{document}





      share|improve this answer




























        9














        enter image description here



        documentclass{article}

        usepackage{amsmath}

        begin{document}

        aaa refstepcounter{equation}
        begin{equation}
        1=0 tag{theequation--thenumexprvalue{equation}+1relax}
        end{equation}

        bbbrefstepcounter{equation}
        begin{equation}
        0 =1
        end{equation}
        end{document}





        share|improve this answer


























          9












          9








          9







          enter image description here



          documentclass{article}

          usepackage{amsmath}

          begin{document}

          aaa refstepcounter{equation}
          begin{equation}
          1=0 tag{theequation--thenumexprvalue{equation}+1relax}
          end{equation}

          bbbrefstepcounter{equation}
          begin{equation}
          0 =1
          end{equation}
          end{document}





          share|improve this answer













          enter image description here



          documentclass{article}

          usepackage{amsmath}

          begin{document}

          aaa refstepcounter{equation}
          begin{equation}
          1=0 tag{theequation--thenumexprvalue{equation}+1relax}
          end{equation}

          bbbrefstepcounter{equation}
          begin{equation}
          0 =1
          end{equation}
          end{document}






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Mar 29 at 20:24









          David CarlisleDavid Carlisle

          497k4111441890




          497k4111441890























              2














              If you don't must to use sections, chapters, sub-sections, etc., a simple and fast solution it is uses a manual tag for the first equation and automatic enumerate for other equations.



              enter image description here



              documentclass[a4paper,12pt]{article}
              usepackage{mathtools}
              addtocounter{equation}{2}
              begin{document}
              begin{equation*}
              x^2+y^2=1 tag{1-2}
              end{equation*}
              begin{equation}
              x^2+y^2=4
              end{equation}
              begin{equation}
              cos x +sin x =1
              end{equation}
              end{document}





              share|improve this answer






























                2














                If you don't must to use sections, chapters, sub-sections, etc., a simple and fast solution it is uses a manual tag for the first equation and automatic enumerate for other equations.



                enter image description here



                documentclass[a4paper,12pt]{article}
                usepackage{mathtools}
                addtocounter{equation}{2}
                begin{document}
                begin{equation*}
                x^2+y^2=1 tag{1-2}
                end{equation*}
                begin{equation}
                x^2+y^2=4
                end{equation}
                begin{equation}
                cos x +sin x =1
                end{equation}
                end{document}





                share|improve this answer




























                  2












                  2








                  2







                  If you don't must to use sections, chapters, sub-sections, etc., a simple and fast solution it is uses a manual tag for the first equation and automatic enumerate for other equations.



                  enter image description here



                  documentclass[a4paper,12pt]{article}
                  usepackage{mathtools}
                  addtocounter{equation}{2}
                  begin{document}
                  begin{equation*}
                  x^2+y^2=1 tag{1-2}
                  end{equation*}
                  begin{equation}
                  x^2+y^2=4
                  end{equation}
                  begin{equation}
                  cos x +sin x =1
                  end{equation}
                  end{document}





                  share|improve this answer















                  If you don't must to use sections, chapters, sub-sections, etc., a simple and fast solution it is uses a manual tag for the first equation and automatic enumerate for other equations.



                  enter image description here



                  documentclass[a4paper,12pt]{article}
                  usepackage{mathtools}
                  addtocounter{equation}{2}
                  begin{document}
                  begin{equation*}
                  x^2+y^2=1 tag{1-2}
                  end{equation*}
                  begin{equation}
                  x^2+y^2=4
                  end{equation}
                  begin{equation}
                  cos x +sin x =1
                  end{equation}
                  end{document}






                  share|improve this answer














                  share|improve this answer



                  share|improve this answer








                  edited 2 days ago

























                  answered Mar 29 at 21:02









                  SebastianoSebastiano

                  11.4k42164




                  11.4k42164






















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













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












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
















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