Equation - brackets

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How can I improve brakets in this equation please?



beginequationlabelE
E_0^(1) = expvalfrace'^2Phi
endequation


enter image description here



EDIT:
And please, what is wrong here? I think that in the end should be Phi , but it is mistake by compilation.



documentclassarticle
usepackagephysics
begindocument
beginequationlabelE
E_0^(1) = 4 pi e'^2 expval**frac1 sumlimits_l=0^infty sumlimits_m=-l^l left(fracvecx^(2) right)^l Phi \
endequation
enddocument





equations







share|improve this question



















  • 3




    left...right? P.S. I usually write vecr_1 because of space.
    – manooooh
    4 hours ago







  • 4




    Please provide a compilable example. Where does the expval command come from?
    – Phelype Oleinik
    4 hours ago






  • 1




    Off-topic: One should probably write vecr_1 instead of vecr_1, and vecr_2 instead of vecr_2.
    – Mico
    4 hours ago







  • 1




    Instead of editing an existing query to pose what's essentially a new question, you should post a new query.
    – Mico
    4 hours ago














up vote
4
down vote

favorite












How can I improve brakets in this equation please?



beginequationlabelE
E_0^(1) = expvalfrace'^2Phi
endequation


enter image description here



EDIT:
And please, what is wrong here? I think that in the end should be Phi , but it is mistake by compilation.



documentclassarticle
usepackagephysics
begindocument
beginequationlabelE
E_0^(1) = 4 pi e'^2 expval**frac1 sumlimits_l=0^infty sumlimits_m=-l^l left(fracvecx^(2) right)^l Phi \
endequation
enddocument





equations







share|improve this question



















  • 3




    left...right? P.S. I usually write vecr_1 because of space.
    – manooooh
    4 hours ago







  • 4




    Please provide a compilable example. Where does the expval command come from?
    – Phelype Oleinik
    4 hours ago






  • 1




    Off-topic: One should probably write vecr_1 instead of vecr_1, and vecr_2 instead of vecr_2.
    – Mico
    4 hours ago







  • 1




    Instead of editing an existing query to pose what's essentially a new question, you should post a new query.
    – Mico
    4 hours ago












up vote
4
down vote

favorite









up vote
4
down vote

favorite











How can I improve brakets in this equation please?



beginequationlabelE
E_0^(1) = expvalfrace'^2Phi
endequation


enter image description here



EDIT:
And please, what is wrong here? I think that in the end should be Phi , but it is mistake by compilation.



documentclassarticle
usepackagephysics
begindocument
beginequationlabelE
E_0^(1) = 4 pi e'^2 expval**frac1 sumlimits_l=0^infty sumlimits_m=-l^l left(fracvecx^(2) right)^l Phi \
endequation
enddocument





equations







share|improve this question















How can I improve brakets in this equation please?



beginequationlabelE
E_0^(1) = expvalfrace'^2Phi
endequation


enter image description here



EDIT:
And please, what is wrong here? I think that in the end should be Phi , but it is mistake by compilation.



documentclassarticle
usepackagephysics
begindocument
beginequationlabelE
E_0^(1) = 4 pi e'^2 expval**frac1 sumlimits_l=0^infty sumlimits_m=-l^l left(fracvecx^(2) right)^l Phi \
endequation
enddocument





equations




equations






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 4 hours ago

























asked 4 hours ago









Elisabeth

775




775







  • 3




    left...right? P.S. I usually write vecr_1 because of space.
    – manooooh
    4 hours ago







  • 4




    Please provide a compilable example. Where does the expval command come from?
    – Phelype Oleinik
    4 hours ago






  • 1




    Off-topic: One should probably write vecr_1 instead of vecr_1, and vecr_2 instead of vecr_2.
    – Mico
    4 hours ago







  • 1




    Instead of editing an existing query to pose what's essentially a new question, you should post a new query.
    – Mico
    4 hours ago












  • 3




    left...right? P.S. I usually write vecr_1 because of space.
    – manooooh
    4 hours ago







  • 4




    Please provide a compilable example. Where does the expval command come from?
    – Phelype Oleinik
    4 hours ago






  • 1




    Off-topic: One should probably write vecr_1 instead of vecr_1, and vecr_2 instead of vecr_2.
    – Mico
    4 hours ago







  • 1




    Instead of editing an existing query to pose what's essentially a new question, you should post a new query.
    – Mico
    4 hours ago







3




3




left...right? P.S. I usually write vecr_1 because of space.
– manooooh
4 hours ago





left...right? P.S. I usually write vecr_1 because of space.
– manooooh
4 hours ago





4




4




Please provide a compilable example. Where does the expval command come from?
– Phelype Oleinik
4 hours ago




Please provide a compilable example. Where does the expval command come from?
– Phelype Oleinik
4 hours ago




1




1




Off-topic: One should probably write vecr_1 instead of vecr_1, and vecr_2 instead of vecr_2.
– Mico
4 hours ago





Off-topic: One should probably write vecr_1 instead of vecr_1, and vecr_2 instead of vecr_2.
– Mico
4 hours ago





1




1




Instead of editing an existing query to pose what's essentially a new question, you should post a new query.
– Mico
4 hours ago




Instead of editing an existing query to pose what's essentially a new question, you should post a new query.
– Mico
4 hours ago










2 Answers
2






active

oldest

votes

















up vote
7
down vote



accepted










If you're using the physics package, then it looks like you have to pass two * arguments to expval to allow it to auto-resize the brackets.



As for your second equation, it is missing an argument. You had expval**stuff Phi, but you need to provide another argument: expval**stuffPhi.



documentclassarticle
usepackagephysics
begindocument
beginequationlabelE
E_0^(1) = expval**frace'^2Phi
endequation
beginequationlabelE2
E_0^(1) = 4 pi e'^2 expval**frac1 sum_l=0^infty sum_m=-l^l left(fracvecx^(2) right)^lPhi
endequation
enddocument



enter image description here







share|improve this answer






















  • Please, can I have one more question - I editted my origin question.
    – Elisabeth
    4 hours ago






  • 1




    @Elisabeth The solution was simple, so I also updated my answer. If you happen to have more problems it's advisable, as Mico said, to ask a new question instead of editing an old question.
    – Phelype Oleinik
    4 hours ago











  • You should definitely remove the double-backslash stuff at the end of the equation environments. Also, the limits directives are redundant; all they do is create code clutter.
    – Mico
    4 hours ago











  • Ok, I am sorry and thank you very much.
    – Elisabeth
    4 hours ago






  • 1




    @Mico Oops, I forgot those there. Thanks for pointing it out :-)
    – Phelype Oleinik
    4 hours ago

















up vote
6
down vote













I do not know where expval comes from but with braket you could do



documentclassarticle
usepackageamsmath
usepackagebraket
begindocument
beginequationlabelE
E_0^(1) = Braket frace'^2vec r_1 - vec r_2right 
endequation
enddocument


enter image description here






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

    votes








    up vote
    7
    down vote



    accepted










    If you're using the physics package, then it looks like you have to pass two * arguments to expval to allow it to auto-resize the brackets.



    As for your second equation, it is missing an argument. You had expval**stuff Phi, but you need to provide another argument: expval**stuffPhi.



    documentclassarticle
    usepackagephysics
    begindocument
    beginequationlabelE
    E_0^(1) = expval**frace'^2Phi
    endequation
    beginequationlabelE2
    E_0^(1) = 4 pi e'^2 expval**frac1 sum_l=0^infty sum_m=-l^l left(fracvecx^(2) right)^lPhi
    endequation
    enddocument



    enter image description here







    share|improve this answer






















    • Please, can I have one more question - I editted my origin question.
      – Elisabeth
      4 hours ago






    • 1




      @Elisabeth The solution was simple, so I also updated my answer. If you happen to have more problems it's advisable, as Mico said, to ask a new question instead of editing an old question.
      – Phelype Oleinik
      4 hours ago











    • You should definitely remove the double-backslash stuff at the end of the equation environments. Also, the limits directives are redundant; all they do is create code clutter.
      – Mico
      4 hours ago











    • Ok, I am sorry and thank you very much.
      – Elisabeth
      4 hours ago






    • 1




      @Mico Oops, I forgot those there. Thanks for pointing it out :-)
      – Phelype Oleinik
      4 hours ago














    up vote
    7
    down vote



    accepted










    If you're using the physics package, then it looks like you have to pass two * arguments to expval to allow it to auto-resize the brackets.



    As for your second equation, it is missing an argument. You had expval**stuff Phi, but you need to provide another argument: expval**stuffPhi.



    documentclassarticle
    usepackagephysics
    begindocument
    beginequationlabelE
    E_0^(1) = expval**frace'^2Phi
    endequation
    beginequationlabelE2
    E_0^(1) = 4 pi e'^2 expval**frac1 sum_l=0^infty sum_m=-l^l left(fracvecx^(2) right)^lPhi
    endequation
    enddocument



    enter image description here







    share|improve this answer






















    • Please, can I have one more question - I editted my origin question.
      – Elisabeth
      4 hours ago






    • 1




      @Elisabeth The solution was simple, so I also updated my answer. If you happen to have more problems it's advisable, as Mico said, to ask a new question instead of editing an old question.
      – Phelype Oleinik
      4 hours ago











    • You should definitely remove the double-backslash stuff at the end of the equation environments. Also, the limits directives are redundant; all they do is create code clutter.
      – Mico
      4 hours ago











    • Ok, I am sorry and thank you very much.
      – Elisabeth
      4 hours ago






    • 1




      @Mico Oops, I forgot those there. Thanks for pointing it out :-)
      – Phelype Oleinik
      4 hours ago












    up vote
    7
    down vote



    accepted







    up vote
    7
    down vote



    accepted






    If you're using the physics package, then it looks like you have to pass two * arguments to expval to allow it to auto-resize the brackets.



    As for your second equation, it is missing an argument. You had expval**stuff Phi, but you need to provide another argument: expval**stuffPhi.



    documentclassarticle
    usepackagephysics
    begindocument
    beginequationlabelE
    E_0^(1) = expval**frace'^2Phi
    endequation
    beginequationlabelE2
    E_0^(1) = 4 pi e'^2 expval**frac1 sum_l=0^infty sum_m=-l^l left(fracvecx^(2) right)^lPhi
    endequation
    enddocument



    enter image description here







    share|improve this answer














    If you're using the physics package, then it looks like you have to pass two * arguments to expval to allow it to auto-resize the brackets.



    As for your second equation, it is missing an argument. You had expval**stuff Phi, but you need to provide another argument: expval**stuffPhi.



    documentclassarticle
    usepackagephysics
    begindocument
    beginequationlabelE
    E_0^(1) = expval**frace'^2Phi
    endequation
    beginequationlabelE2
    E_0^(1) = 4 pi e'^2 expval**frac1 sum_l=0^infty sum_m=-l^l left(fracvecx^(2) right)^lPhi
    endequation
    enddocument



    enter image description here








    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited 4 hours ago

























    answered 4 hours ago









    Phelype Oleinik

    20k54277




    20k54277











    • Please, can I have one more question - I editted my origin question.
      – Elisabeth
      4 hours ago






    • 1




      @Elisabeth The solution was simple, so I also updated my answer. If you happen to have more problems it's advisable, as Mico said, to ask a new question instead of editing an old question.
      – Phelype Oleinik
      4 hours ago











    • You should definitely remove the double-backslash stuff at the end of the equation environments. Also, the limits directives are redundant; all they do is create code clutter.
      – Mico
      4 hours ago











    • Ok, I am sorry and thank you very much.
      – Elisabeth
      4 hours ago






    • 1




      @Mico Oops, I forgot those there. Thanks for pointing it out :-)
      – Phelype Oleinik
      4 hours ago
















    • Please, can I have one more question - I editted my origin question.
      – Elisabeth
      4 hours ago






    • 1




      @Elisabeth The solution was simple, so I also updated my answer. If you happen to have more problems it's advisable, as Mico said, to ask a new question instead of editing an old question.
      – Phelype Oleinik
      4 hours ago











    • You should definitely remove the double-backslash stuff at the end of the equation environments. Also, the limits directives are redundant; all they do is create code clutter.
      – Mico
      4 hours ago











    • Ok, I am sorry and thank you very much.
      – Elisabeth
      4 hours ago






    • 1




      @Mico Oops, I forgot those there. Thanks for pointing it out :-)
      – Phelype Oleinik
      4 hours ago















    Please, can I have one more question - I editted my origin question.
    – Elisabeth
    4 hours ago




    Please, can I have one more question - I editted my origin question.
    – Elisabeth
    4 hours ago




    1




    1




    @Elisabeth The solution was simple, so I also updated my answer. If you happen to have more problems it's advisable, as Mico said, to ask a new question instead of editing an old question.
    – Phelype Oleinik
    4 hours ago





    @Elisabeth The solution was simple, so I also updated my answer. If you happen to have more problems it's advisable, as Mico said, to ask a new question instead of editing an old question.
    – Phelype Oleinik
    4 hours ago













    You should definitely remove the double-backslash stuff at the end of the equation environments. Also, the limits directives are redundant; all they do is create code clutter.
    – Mico
    4 hours ago





    You should definitely remove the double-backslash stuff at the end of the equation environments. Also, the limits directives are redundant; all they do is create code clutter.
    – Mico
    4 hours ago













    Ok, I am sorry and thank you very much.
    – Elisabeth
    4 hours ago




    Ok, I am sorry and thank you very much.
    – Elisabeth
    4 hours ago




    1




    1




    @Mico Oops, I forgot those there. Thanks for pointing it out :-)
    – Phelype Oleinik
    4 hours ago




    @Mico Oops, I forgot those there. Thanks for pointing it out :-)
    – Phelype Oleinik
    4 hours ago










    up vote
    6
    down vote













    I do not know where expval comes from but with braket you could do



    documentclassarticle
    usepackageamsmath
    usepackagebraket
    begindocument
    beginequationlabelE
    E_0^(1) = Braket frace'^2vec r_1 - vec r_2right 
    endequation
    enddocument


    enter image description here






    share|improve this answer
























      up vote
      6
      down vote













      I do not know where expval comes from but with braket you could do



      documentclassarticle
      usepackageamsmath
      usepackagebraket
      begindocument
      beginequationlabelE
      E_0^(1) = Braket frace'^2vec r_1 - vec r_2right 
      endequation
      enddocument


      enter image description here






      share|improve this answer






















        up vote
        6
        down vote










        up vote
        6
        down vote









        I do not know where expval comes from but with braket you could do



        documentclassarticle
        usepackageamsmath
        usepackagebraket
        begindocument
        beginequationlabelE
        E_0^(1) = Braket frace'^2vec r_1 - vec r_2right 
        endequation
        enddocument


        enter image description here






        share|improve this answer












        I do not know where expval comes from but with braket you could do



        documentclassarticle
        usepackageamsmath
        usepackagebraket
        begindocument
        beginequationlabelE
        E_0^(1) = Braket frace'^2vec r_1 - vec r_2right 
        endequation
        enddocument


        enter image description here







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 4 hours ago









        marmot

        73.2k477153




        73.2k477153



























             

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