Mismatched braces in subscript and superscript

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There is mismatch in the braces when used as subscript or superscript



textit $ R(p_(a ),p_(b ) )=e^(-gamma lVert p_(a) - p_(b) rVert)^2$





subscripts superscripts







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  • Perhaps you should add an image of this, plus it is always a good idea here to provide a full minimal example not just a sniplet, then others do not have to guess what preamble you're using. Additionally, why the textit what is that for here? Note the aroung the lVert/rVert has no purpose
    – daleif
    1 hour ago














up vote
1
down vote

favorite












There is mismatch in the braces when used as subscript or superscript



textit $ R(p_(a ),p_(b ) )=e^(-gamma lVert p_(a) - p_(b) rVert)^2$





subscripts superscripts







share|improve this question























  • Perhaps you should add an image of this, plus it is always a good idea here to provide a full minimal example not just a sniplet, then others do not have to guess what preamble you're using. Additionally, why the textit what is that for here? Note the aroung the lVert/rVert has no purpose
    – daleif
    1 hour ago












up vote
1
down vote

favorite









up vote
1
down vote

favorite











There is mismatch in the braces when used as subscript or superscript



textit $ R(p_(a ),p_(b ) )=e^(-gamma lVert p_(a) - p_(b) rVert)^2$





subscripts superscripts







share|improve this question















There is mismatch in the braces when used as subscript or superscript



textit $ R(p_(a ),p_(b ) )=e^(-gamma lVert p_(a) - p_(b) rVert)^2$





subscripts superscripts




subscripts superscripts






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share|improve this question













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edited 54 mins ago









egreg

686k8418283078




686k8418283078










asked 2 hours ago









poorna

313




313











  • Perhaps you should add an image of this, plus it is always a good idea here to provide a full minimal example not just a sniplet, then others do not have to guess what preamble you're using. Additionally, why the textit what is that for here? Note the aroung the lVert/rVert has no purpose
    – daleif
    1 hour ago
















  • Perhaps you should add an image of this, plus it is always a good idea here to provide a full minimal example not just a sniplet, then others do not have to guess what preamble you're using. Additionally, why the textit what is that for here? Note the aroung the lVert/rVert has no purpose
    – daleif
    1 hour ago















Perhaps you should add an image of this, plus it is always a good idea here to provide a full minimal example not just a sniplet, then others do not have to guess what preamble you're using. Additionally, why the textit what is that for here? Note the aroung the lVert/rVert has no purpose
– daleif
1 hour ago




Perhaps you should add an image of this, plus it is always a good idea here to provide a full minimal example not just a sniplet, then others do not have to guess what preamble you're using. Additionally, why the textit what is that for here? Note the aroung the lVert/rVert has no purpose
– daleif
1 hour ago










1 Answer
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up vote
4
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There are quite a few issues with your code:



  • The textit wrapper seems wholly unnecessary


  • You seem to be under the impression that the ( and ) symbols perform grouping in TeX. That's not the case. I believe you should write p_a and p_b instead of p_(a) and p_(b). If you must encase a and b in parentheses, you should write p_(a) and p_(b) to indicate to TeX that not just the opening parenthesis needs to be typeset in the subscript position.


  • The outer pair of | symbols would appear to be redundant. The expression they encase is squared; hence, taking the absolute value is not needed, is it?


  • The matching pair of curly braces around lVert ... rVert does not appear to serve a discernible purpose.


  • To make the exponential term more readable, consider writing it as exp ... instead of as e^.... If you don't like the look of curly braces, consider using square brackets.


In short, this how I'd write the full expression:



enter image description here



documentclassarticle
usepackageamsmath % for lVert and rVert macros
begindocument
$ R(p_a,p_b) = exp (-gamma lVert p_a - p_b rVert)^2 $
enddocument





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    1 Answer
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    1 Answer
    1






    active

    oldest

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    active

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    up vote
    4
    down vote













    There are quite a few issues with your code:



    • The textit wrapper seems wholly unnecessary


    • You seem to be under the impression that the ( and ) symbols perform grouping in TeX. That's not the case. I believe you should write p_a and p_b instead of p_(a) and p_(b). If you must encase a and b in parentheses, you should write p_(a) and p_(b) to indicate to TeX that not just the opening parenthesis needs to be typeset in the subscript position.


    • The outer pair of | symbols would appear to be redundant. The expression they encase is squared; hence, taking the absolute value is not needed, is it?


    • The matching pair of curly braces around lVert ... rVert does not appear to serve a discernible purpose.


    • To make the exponential term more readable, consider writing it as exp ... instead of as e^.... If you don't like the look of curly braces, consider using square brackets.


    In short, this how I'd write the full expression:



    enter image description here



    documentclassarticle
    usepackageamsmath % for lVert and rVert macros
    begindocument
    $ R(p_a,p_b) = exp (-gamma lVert p_a - p_b rVert)^2 $
    enddocument





    share|improve this answer


























      up vote
      4
      down vote













      There are quite a few issues with your code:



      • The textit wrapper seems wholly unnecessary


      • You seem to be under the impression that the ( and ) symbols perform grouping in TeX. That's not the case. I believe you should write p_a and p_b instead of p_(a) and p_(b). If you must encase a and b in parentheses, you should write p_(a) and p_(b) to indicate to TeX that not just the opening parenthesis needs to be typeset in the subscript position.


      • The outer pair of | symbols would appear to be redundant. The expression they encase is squared; hence, taking the absolute value is not needed, is it?


      • The matching pair of curly braces around lVert ... rVert does not appear to serve a discernible purpose.


      • To make the exponential term more readable, consider writing it as exp ... instead of as e^.... If you don't like the look of curly braces, consider using square brackets.


      In short, this how I'd write the full expression:



      enter image description here



      documentclassarticle
      usepackageamsmath % for lVert and rVert macros
      begindocument
      $ R(p_a,p_b) = exp (-gamma lVert p_a - p_b rVert)^2 $
      enddocument





      share|improve this answer
























        up vote
        4
        down vote










        up vote
        4
        down vote









        There are quite a few issues with your code:



        • The textit wrapper seems wholly unnecessary


        • You seem to be under the impression that the ( and ) symbols perform grouping in TeX. That's not the case. I believe you should write p_a and p_b instead of p_(a) and p_(b). If you must encase a and b in parentheses, you should write p_(a) and p_(b) to indicate to TeX that not just the opening parenthesis needs to be typeset in the subscript position.


        • The outer pair of | symbols would appear to be redundant. The expression they encase is squared; hence, taking the absolute value is not needed, is it?


        • The matching pair of curly braces around lVert ... rVert does not appear to serve a discernible purpose.


        • To make the exponential term more readable, consider writing it as exp ... instead of as e^.... If you don't like the look of curly braces, consider using square brackets.


        In short, this how I'd write the full expression:



        enter image description here



        documentclassarticle
        usepackageamsmath % for lVert and rVert macros
        begindocument
        $ R(p_a,p_b) = exp (-gamma lVert p_a - p_b rVert)^2 $
        enddocument





        share|improve this answer














        There are quite a few issues with your code:



        • The textit wrapper seems wholly unnecessary


        • You seem to be under the impression that the ( and ) symbols perform grouping in TeX. That's not the case. I believe you should write p_a and p_b instead of p_(a) and p_(b). If you must encase a and b in parentheses, you should write p_(a) and p_(b) to indicate to TeX that not just the opening parenthesis needs to be typeset in the subscript position.


        • The outer pair of | symbols would appear to be redundant. The expression they encase is squared; hence, taking the absolute value is not needed, is it?


        • The matching pair of curly braces around lVert ... rVert does not appear to serve a discernible purpose.


        • To make the exponential term more readable, consider writing it as exp ... instead of as e^.... If you don't like the look of curly braces, consider using square brackets.


        In short, this how I'd write the full expression:



        enter image description here



        documentclassarticle
        usepackageamsmath % for lVert and rVert macros
        begindocument
        $ R(p_a,p_b) = exp (-gamma lVert p_a - p_b rVert)^2 $
        enddocument






        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited 1 hour ago

























        answered 1 hour ago









        Mico

        265k30355735




        265k30355735



























             

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