subequations: How to continue numbering within subequation?












9















Let's assume we want to create one subequation including four aligned single equations. The first two single equations should be numbered as 1a and 1b while the third and fourth one should continue the numbering of the previous one, but with new equation number as 2a and 2b.





Minimum Working Example (MWE):



documentclass{article}
usepackage{amsmath}

begin{document}
begin{subequations}
begin{align}
1 &= 1\
2 &= 2\
3 &= 3\% from here a new equation number should begin
4 &= 4
end{align}
end{subequations}
end{document}




Screenshot of the result:



Screenshot of the result





Questions:




  1. How can I automatically continue numbering of the previous equation numbers without cheating around by manually assigning numbers/tags?

  2. Would it be possible to increase the vertical space between the equation 1-pair and the equation 2-pair?










share|improve this question

























  • I have removed my answer :-).

    – Sebastiano
    Apr 1 at 12:21











  • Should (2)s and (1)s be aligned? I don't think they should.

    – JouleV
    Apr 1 at 12:22






  • 1





    Split into two subequations.

    – ferahfeza
    Apr 1 at 12:23











  • @Sebastiano: I am very sorry for this! :-( But thank you very much for your efforts!

    – Dave
    Apr 1 at 12:23






  • 3





    I think it's a duplicate. Does tex.stackexchange.com/a/445115/4427 help?

    – egreg
    Apr 1 at 12:26


















9















Let's assume we want to create one subequation including four aligned single equations. The first two single equations should be numbered as 1a and 1b while the third and fourth one should continue the numbering of the previous one, but with new equation number as 2a and 2b.





Minimum Working Example (MWE):



documentclass{article}
usepackage{amsmath}

begin{document}
begin{subequations}
begin{align}
1 &= 1\
2 &= 2\
3 &= 3\% from here a new equation number should begin
4 &= 4
end{align}
end{subequations}
end{document}




Screenshot of the result:



Screenshot of the result





Questions:




  1. How can I automatically continue numbering of the previous equation numbers without cheating around by manually assigning numbers/tags?

  2. Would it be possible to increase the vertical space between the equation 1-pair and the equation 2-pair?










share|improve this question

























  • I have removed my answer :-).

    – Sebastiano
    Apr 1 at 12:21











  • Should (2)s and (1)s be aligned? I don't think they should.

    – JouleV
    Apr 1 at 12:22






  • 1





    Split into two subequations.

    – ferahfeza
    Apr 1 at 12:23











  • @Sebastiano: I am very sorry for this! :-( But thank you very much for your efforts!

    – Dave
    Apr 1 at 12:23






  • 3





    I think it's a duplicate. Does tex.stackexchange.com/a/445115/4427 help?

    – egreg
    Apr 1 at 12:26
















9












9








9








Let's assume we want to create one subequation including four aligned single equations. The first two single equations should be numbered as 1a and 1b while the third and fourth one should continue the numbering of the previous one, but with new equation number as 2a and 2b.





Minimum Working Example (MWE):



documentclass{article}
usepackage{amsmath}

begin{document}
begin{subequations}
begin{align}
1 &= 1\
2 &= 2\
3 &= 3\% from here a new equation number should begin
4 &= 4
end{align}
end{subequations}
end{document}




Screenshot of the result:



Screenshot of the result





Questions:




  1. How can I automatically continue numbering of the previous equation numbers without cheating around by manually assigning numbers/tags?

  2. Would it be possible to increase the vertical space between the equation 1-pair and the equation 2-pair?










share|improve this question
















Let's assume we want to create one subequation including four aligned single equations. The first two single equations should be numbered as 1a and 1b while the third and fourth one should continue the numbering of the previous one, but with new equation number as 2a and 2b.





Minimum Working Example (MWE):



documentclass{article}
usepackage{amsmath}

begin{document}
begin{subequations}
begin{align}
1 &= 1\
2 &= 2\
3 &= 3\% from here a new equation number should begin
4 &= 4
end{align}
end{subequations}
end{document}




Screenshot of the result:



Screenshot of the result





Questions:




  1. How can I automatically continue numbering of the previous equation numbers without cheating around by manually assigning numbers/tags?

  2. Would it be possible to increase the vertical space between the equation 1-pair and the equation 2-pair?







equations numbering align amsmath subequations






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Apr 1 at 12:22







Dave

















asked Apr 1 at 12:06









DaveDave

1,236619




1,236619













  • I have removed my answer :-).

    – Sebastiano
    Apr 1 at 12:21











  • Should (2)s and (1)s be aligned? I don't think they should.

    – JouleV
    Apr 1 at 12:22






  • 1





    Split into two subequations.

    – ferahfeza
    Apr 1 at 12:23











  • @Sebastiano: I am very sorry for this! :-( But thank you very much for your efforts!

    – Dave
    Apr 1 at 12:23






  • 3





    I think it's a duplicate. Does tex.stackexchange.com/a/445115/4427 help?

    – egreg
    Apr 1 at 12:26





















  • I have removed my answer :-).

    – Sebastiano
    Apr 1 at 12:21











  • Should (2)s and (1)s be aligned? I don't think they should.

    – JouleV
    Apr 1 at 12:22






  • 1





    Split into two subequations.

    – ferahfeza
    Apr 1 at 12:23











  • @Sebastiano: I am very sorry for this! :-( But thank you very much for your efforts!

    – Dave
    Apr 1 at 12:23






  • 3





    I think it's a duplicate. Does tex.stackexchange.com/a/445115/4427 help?

    – egreg
    Apr 1 at 12:26



















I have removed my answer :-).

– Sebastiano
Apr 1 at 12:21





I have removed my answer :-).

– Sebastiano
Apr 1 at 12:21













Should (2)s and (1)s be aligned? I don't think they should.

– JouleV
Apr 1 at 12:22





Should (2)s and (1)s be aligned? I don't think they should.

– JouleV
Apr 1 at 12:22




1




1





Split into two subequations.

– ferahfeza
Apr 1 at 12:23





Split into two subequations.

– ferahfeza
Apr 1 at 12:23













@Sebastiano: I am very sorry for this! :-( But thank you very much for your efforts!

– Dave
Apr 1 at 12:23





@Sebastiano: I am very sorry for this! :-( But thank you very much for your efforts!

– Dave
Apr 1 at 12:23




3




3





I think it's a duplicate. Does tex.stackexchange.com/a/445115/4427 help?

– egreg
Apr 1 at 12:26







I think it's a duplicate. Does tex.stackexchange.com/a/445115/4427 help?

– egreg
Apr 1 at 12:26












1 Answer
1






active

oldest

votes


















12














I could not find the duplicate, so here is my attempt:



documentclass{article}
usepackage{amsmath}
newcommandStepSubequations{
stepcounter{parentequation}
gdeftheparentequation{arabic{parentequation}}
setcounter{equation}{0}
}
begin{document}
begin{subequations}
begin{align}
1 &= 1\
2 &= 2\
StepSubequations
3 &= 3\% from here a new equation number should begin
4 &= 4
end{align}
end{subequations}

begin{equation}
label{eq:1}
a=b
end{equation}

end{document}





share|improve this answer



















  • 1





    Thank you very much! :-)

    – Dave
    Apr 1 at 12:28






  • 1





    Approved your code. :-)

    – Sebastiano
    Apr 1 at 12:29






  • 1





    Note that in egregs duplicated answer, xdef is used, where I here use gdef, so look out for differences.

    – daleif
    Apr 1 at 12:33











  • @daleif: I think there is some little issue when using documentclass{scrbook}: In scrbook all equation numbers will follow the format chapternumber.equationnumber, but your example does not include the chapternumber before equationnumber. Is there an option to fix that?

    – Dave
    Apr 1 at 14:27











  • @Dave see if you can guess what to change in the definition of StepSubequations, it is not that hard. Hint, you may want to add thechapter somewhere.

    – daleif
    Apr 1 at 14:39












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1 Answer
1






active

oldest

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1 Answer
1






active

oldest

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active

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12














I could not find the duplicate, so here is my attempt:



documentclass{article}
usepackage{amsmath}
newcommandStepSubequations{
stepcounter{parentequation}
gdeftheparentequation{arabic{parentequation}}
setcounter{equation}{0}
}
begin{document}
begin{subequations}
begin{align}
1 &= 1\
2 &= 2\
StepSubequations
3 &= 3\% from here a new equation number should begin
4 &= 4
end{align}
end{subequations}

begin{equation}
label{eq:1}
a=b
end{equation}

end{document}





share|improve this answer



















  • 1





    Thank you very much! :-)

    – Dave
    Apr 1 at 12:28






  • 1





    Approved your code. :-)

    – Sebastiano
    Apr 1 at 12:29






  • 1





    Note that in egregs duplicated answer, xdef is used, where I here use gdef, so look out for differences.

    – daleif
    Apr 1 at 12:33











  • @daleif: I think there is some little issue when using documentclass{scrbook}: In scrbook all equation numbers will follow the format chapternumber.equationnumber, but your example does not include the chapternumber before equationnumber. Is there an option to fix that?

    – Dave
    Apr 1 at 14:27











  • @Dave see if you can guess what to change in the definition of StepSubequations, it is not that hard. Hint, you may want to add thechapter somewhere.

    – daleif
    Apr 1 at 14:39
















12














I could not find the duplicate, so here is my attempt:



documentclass{article}
usepackage{amsmath}
newcommandStepSubequations{
stepcounter{parentequation}
gdeftheparentequation{arabic{parentequation}}
setcounter{equation}{0}
}
begin{document}
begin{subequations}
begin{align}
1 &= 1\
2 &= 2\
StepSubequations
3 &= 3\% from here a new equation number should begin
4 &= 4
end{align}
end{subequations}

begin{equation}
label{eq:1}
a=b
end{equation}

end{document}





share|improve this answer



















  • 1





    Thank you very much! :-)

    – Dave
    Apr 1 at 12:28






  • 1





    Approved your code. :-)

    – Sebastiano
    Apr 1 at 12:29






  • 1





    Note that in egregs duplicated answer, xdef is used, where I here use gdef, so look out for differences.

    – daleif
    Apr 1 at 12:33











  • @daleif: I think there is some little issue when using documentclass{scrbook}: In scrbook all equation numbers will follow the format chapternumber.equationnumber, but your example does not include the chapternumber before equationnumber. Is there an option to fix that?

    – Dave
    Apr 1 at 14:27











  • @Dave see if you can guess what to change in the definition of StepSubequations, it is not that hard. Hint, you may want to add thechapter somewhere.

    – daleif
    Apr 1 at 14:39














12












12








12







I could not find the duplicate, so here is my attempt:



documentclass{article}
usepackage{amsmath}
newcommandStepSubequations{
stepcounter{parentequation}
gdeftheparentequation{arabic{parentequation}}
setcounter{equation}{0}
}
begin{document}
begin{subequations}
begin{align}
1 &= 1\
2 &= 2\
StepSubequations
3 &= 3\% from here a new equation number should begin
4 &= 4
end{align}
end{subequations}

begin{equation}
label{eq:1}
a=b
end{equation}

end{document}





share|improve this answer













I could not find the duplicate, so here is my attempt:



documentclass{article}
usepackage{amsmath}
newcommandStepSubequations{
stepcounter{parentequation}
gdeftheparentequation{arabic{parentequation}}
setcounter{equation}{0}
}
begin{document}
begin{subequations}
begin{align}
1 &= 1\
2 &= 2\
StepSubequations
3 &= 3\% from here a new equation number should begin
4 &= 4
end{align}
end{subequations}

begin{equation}
label{eq:1}
a=b
end{equation}

end{document}






share|improve this answer












share|improve this answer



share|improve this answer










answered Apr 1 at 12:27









daleifdaleif

33.8k255118




33.8k255118








  • 1





    Thank you very much! :-)

    – Dave
    Apr 1 at 12:28






  • 1





    Approved your code. :-)

    – Sebastiano
    Apr 1 at 12:29






  • 1





    Note that in egregs duplicated answer, xdef is used, where I here use gdef, so look out for differences.

    – daleif
    Apr 1 at 12:33











  • @daleif: I think there is some little issue when using documentclass{scrbook}: In scrbook all equation numbers will follow the format chapternumber.equationnumber, but your example does not include the chapternumber before equationnumber. Is there an option to fix that?

    – Dave
    Apr 1 at 14:27











  • @Dave see if you can guess what to change in the definition of StepSubequations, it is not that hard. Hint, you may want to add thechapter somewhere.

    – daleif
    Apr 1 at 14:39














  • 1





    Thank you very much! :-)

    – Dave
    Apr 1 at 12:28






  • 1





    Approved your code. :-)

    – Sebastiano
    Apr 1 at 12:29






  • 1





    Note that in egregs duplicated answer, xdef is used, where I here use gdef, so look out for differences.

    – daleif
    Apr 1 at 12:33











  • @daleif: I think there is some little issue when using documentclass{scrbook}: In scrbook all equation numbers will follow the format chapternumber.equationnumber, but your example does not include the chapternumber before equationnumber. Is there an option to fix that?

    – Dave
    Apr 1 at 14:27











  • @Dave see if you can guess what to change in the definition of StepSubequations, it is not that hard. Hint, you may want to add thechapter somewhere.

    – daleif
    Apr 1 at 14:39








1




1





Thank you very much! :-)

– Dave
Apr 1 at 12:28





Thank you very much! :-)

– Dave
Apr 1 at 12:28




1




1





Approved your code. :-)

– Sebastiano
Apr 1 at 12:29





Approved your code. :-)

– Sebastiano
Apr 1 at 12:29




1




1





Note that in egregs duplicated answer, xdef is used, where I here use gdef, so look out for differences.

– daleif
Apr 1 at 12:33





Note that in egregs duplicated answer, xdef is used, where I here use gdef, so look out for differences.

– daleif
Apr 1 at 12:33













@daleif: I think there is some little issue when using documentclass{scrbook}: In scrbook all equation numbers will follow the format chapternumber.equationnumber, but your example does not include the chapternumber before equationnumber. Is there an option to fix that?

– Dave
Apr 1 at 14:27





@daleif: I think there is some little issue when using documentclass{scrbook}: In scrbook all equation numbers will follow the format chapternumber.equationnumber, but your example does not include the chapternumber before equationnumber. Is there an option to fix that?

– Dave
Apr 1 at 14:27













@Dave see if you can guess what to change in the definition of StepSubequations, it is not that hard. Hint, you may want to add thechapter somewhere.

– daleif
Apr 1 at 14:39





@Dave see if you can guess what to change in the definition of StepSubequations, it is not that hard. Hint, you may want to add thechapter somewhere.

– daleif
Apr 1 at 14:39


















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