Equation numbering not shown

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1
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I am writing an equation using the syntax s follows:-




[
 N!D_max = 
 begincases
 fracn2 &: text$n$ even, \ 
 fracn-12 &: text$n$ odd.
 endcases
] labelform:19


I am able to label the equation during a sentence but the same equation number is not being shown beside the equation. How can I fix this problem? A picture



enter image description here



is attached for better understanding.






equations labels







share|improve this question























  • As always on the this site: please post a full minimal example instead of sniplet. [... ] dies not number equations so I don't know what you are expecting with that label.
    – daleif
    3 hours ago














up vote
1
down vote

favorite












I am writing an equation using the syntax s follows:-




[
 N!D_max = 
 begincases
 fracn2 &: text$n$ even, \ 
 fracn-12 &: text$n$ odd.
 endcases
] labelform:19


I am able to label the equation during a sentence but the same equation number is not being shown beside the equation. How can I fix this problem? A picture



enter image description here



is attached for better understanding.






equations labels







share|improve this question























  • As always on the this site: please post a full minimal example instead of sniplet. [... ] dies not number equations so I don't know what you are expecting with that label.
    – daleif
    3 hours ago












up vote
1
down vote

favorite









up vote
1
down vote

favorite











I am writing an equation using the syntax s follows:-




[
 N!D_max = 
 begincases
 fracn2 &: text$n$ even, \ 
 fracn-12 &: text$n$ odd.
 endcases
] labelform:19


I am able to label the equation during a sentence but the same equation number is not being shown beside the equation. How can I fix this problem? A picture



enter image description here



is attached for better understanding.






equations labels







share|improve this question















I am writing an equation using the syntax s follows:-




[
 N!D_max = 
 begincases
 fracn2 &: text$n$ even, \ 
 fracn-12 &: text$n$ odd.
 endcases
] labelform:19


I am able to label the equation during a sentence but the same equation number is not being shown beside the equation. How can I fix this problem? A picture



enter image description here



is attached for better understanding.






equations labels




equations labels






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 3 hours ago









egreg

692k8518433092




692k8518433092










asked 3 hours ago









Pratheek Hb

224




224











  • As always on the this site: please post a full minimal example instead of sniplet. [... ] dies not number equations so I don't know what you are expecting with that label.
    – daleif
    3 hours ago
















  • As always on the this site: please post a full minimal example instead of sniplet. [... ] dies not number equations so I don't know what you are expecting with that label.
    – daleif
    3 hours ago















As always on the this site: please post a full minimal example instead of sniplet. [... ] dies not number equations so I don't know what you are expecting with that label.
– daleif
3 hours ago




As always on the this site: please post a full minimal example instead of sniplet. [... ] dies not number equations so I don't know what you are expecting with that label.
– daleif
3 hours ago










2 Answers
2






active

oldest

votes

















up vote
1
down vote



accepted










You can use equation environment to get equation numbers or you can use tag statement to give whatever equation number that you want to give.



enter image description here




[
 N!D_max = 
 begincases
 fracn2 &: text$n$ even, \ 
 fracn-12 &: text$n$ odd.
 endcases
] labelform:19

Referring to Equation~refform:19.



[
 N!D_max = 
 begincases
 fracn2 &: text$n$ even, \ 
 fracn-12 &: text$n$ odd.
 endcasestag3.2labelform:19a
] 

Referring to Equation~refform:19a.


beginequation
 N!D_max = 
 begincases
 fracn2 &: text$n$ even, \ 
 fracn-12 &: text$n$ odd.
 endcases
 labelform:19b
endequation

Referring to Equation~refform:19b.





share|improve this answer




















  • Thanks for the help. It got executed.
    – Pratheek Hb
    3 hours ago

















up vote
2
down vote













The braces around the equation are wrong; also, if you want a numbered equation you need equation, not [...]. The label should go inside it.



Here's a corrected version, using some more facilities from mathtools, for instance dcases* (see its manual).



documentclassarticle
usepackageamsmath,mathtools

newcommandNDmathitND

begindocument

The nodal diameter ($ND$) of a deformation or excitation shape
is equal to the number of ``inflection lines'' across the disk.
The maximum nodal diameter $ND_max$ is given by Eq.~eqrefform:19
where $n$ denotes the number of periodic sections
beginequationlabelform:19
ND_max=
begindcases*
fracn2 & $n$ even, \
fracn-12 & $n$ odd.
enddcases*
endequation

enddocument


enter image description here






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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    1
    down vote



    accepted










    You can use equation environment to get equation numbers or you can use tag statement to give whatever equation number that you want to give.



    enter image description here




    [
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcases
    ] labelform:19

    Referring to Equation~refform:19.



    [
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcasestag3.2labelform:19a
    ] 

    Referring to Equation~refform:19a.


    beginequation
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcases
     labelform:19b
    endequation

    Referring to Equation~refform:19b.





    share|improve this answer




















    • Thanks for the help. It got executed.
      – Pratheek Hb
      3 hours ago














    up vote
    1
    down vote



    accepted










    You can use equation environment to get equation numbers or you can use tag statement to give whatever equation number that you want to give.



    enter image description here




    [
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcases
    ] labelform:19

    Referring to Equation~refform:19.



    [
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcasestag3.2labelform:19a
    ] 

    Referring to Equation~refform:19a.


    beginequation
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcases
     labelform:19b
    endequation

    Referring to Equation~refform:19b.





    share|improve this answer




















    • Thanks for the help. It got executed.
      – Pratheek Hb
      3 hours ago












    up vote
    1
    down vote



    accepted







    up vote
    1
    down vote



    accepted






    You can use equation environment to get equation numbers or you can use tag statement to give whatever equation number that you want to give.



    enter image description here




    [
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcases
    ] labelform:19

    Referring to Equation~refform:19.



    [
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcasestag3.2labelform:19a
    ] 

    Referring to Equation~refform:19a.


    beginequation
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcases
     labelform:19b
    endequation

    Referring to Equation~refform:19b.





    share|improve this answer












    You can use equation environment to get equation numbers or you can use tag statement to give whatever equation number that you want to give.



    enter image description here




    [
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcases
    ] labelform:19

    Referring to Equation~refform:19.



    [
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcasestag3.2labelform:19a
    ] 

    Referring to Equation~refform:19a.


    beginequation
     N!D_max = 
     begincases
     fracn2 &: text$n$ even, \ 
     fracn-12 &: text$n$ odd.
     endcases
     labelform:19b
    endequation

    Referring to Equation~refform:19b.






    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered 3 hours ago









    nidhin

    31828




    31828











    • Thanks for the help. It got executed.
      – Pratheek Hb
      3 hours ago
















    • Thanks for the help. It got executed.
      – Pratheek Hb
      3 hours ago















    Thanks for the help. It got executed.
    – Pratheek Hb
    3 hours ago




    Thanks for the help. It got executed.
    – Pratheek Hb
    3 hours ago










    up vote
    2
    down vote













    The braces around the equation are wrong; also, if you want a numbered equation you need equation, not [...]. The label should go inside it.



    Here's a corrected version, using some more facilities from mathtools, for instance dcases* (see its manual).



    documentclassarticle
    usepackageamsmath,mathtools

    newcommandNDmathitND

    begindocument

    The nodal diameter ($ND$) of a deformation or excitation shape
    is equal to the number of ``inflection lines'' across the disk.
    The maximum nodal diameter $ND_max$ is given by Eq.~eqrefform:19
    where $n$ denotes the number of periodic sections
    beginequationlabelform:19
    ND_max=
    begindcases*
    fracn2 & $n$ even, \
    fracn-12 & $n$ odd.
    enddcases*
    endequation

    enddocument


    enter image description here






    share|improve this answer
























      up vote
      2
      down vote













      The braces around the equation are wrong; also, if you want a numbered equation you need equation, not [...]. The label should go inside it.



      Here's a corrected version, using some more facilities from mathtools, for instance dcases* (see its manual).



      documentclassarticle
      usepackageamsmath,mathtools

      newcommandNDmathitND

      begindocument

      The nodal diameter ($ND$) of a deformation or excitation shape
      is equal to the number of ``inflection lines'' across the disk.
      The maximum nodal diameter $ND_max$ is given by Eq.~eqrefform:19
      where $n$ denotes the number of periodic sections
      beginequationlabelform:19
      ND_max=
      begindcases*
      fracn2 & $n$ even, \
      fracn-12 & $n$ odd.
      enddcases*
      endequation

      enddocument


      enter image description here






      share|improve this answer






















        up vote
        2
        down vote










        up vote
        2
        down vote









        The braces around the equation are wrong; also, if you want a numbered equation you need equation, not [...]. The label should go inside it.



        Here's a corrected version, using some more facilities from mathtools, for instance dcases* (see its manual).



        documentclassarticle
        usepackageamsmath,mathtools

        newcommandNDmathitND

        begindocument

        The nodal diameter ($ND$) of a deformation or excitation shape
        is equal to the number of ``inflection lines'' across the disk.
        The maximum nodal diameter $ND_max$ is given by Eq.~eqrefform:19
        where $n$ denotes the number of periodic sections
        beginequationlabelform:19
        ND_max=
        begindcases*
        fracn2 & $n$ even, \
        fracn-12 & $n$ odd.
        enddcases*
        endequation

        enddocument


        enter image description here






        share|improve this answer












        The braces around the equation are wrong; also, if you want a numbered equation you need equation, not [...]. The label should go inside it.



        Here's a corrected version, using some more facilities from mathtools, for instance dcases* (see its manual).



        documentclassarticle
        usepackageamsmath,mathtools

        newcommandNDmathitND

        begindocument

        The nodal diameter ($ND$) of a deformation or excitation shape
        is equal to the number of ``inflection lines'' across the disk.
        The maximum nodal diameter $ND_max$ is given by Eq.~eqrefform:19
        where $n$ denotes the number of periodic sections
        beginequationlabelform:19
        ND_max=
        begindcases*
        fracn2 & $n$ even, \
        fracn-12 & $n$ odd.
        enddcases*
        endequation

        enddocument


        enter image description here







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 3 hours ago









        egreg

        692k8518433092




        692k8518433092



























             

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