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Big vert in LaTeX

  1. Jan 5, 2008 #1

    malawi_glenn

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    Hi! I would like to have larger verts, representating abs, you can see for yourself how ugly this looks:
    [tex] \dfrac{d\sigma }{d\Omega } (\pi ^+ \text{p}) = \dfrac{1}{k^2}\left[ \vert a^{\tfrac{3}{2}}_{0,\tfrac{1}{2}} + \left( 2a^{\tfrac{3}{2}}_{1,\tfrac{3}{2}} + a^{\tfrac{3}{2}}_{1,\tfrac{1}{2}} \right) \cos (\theta ) \vert ^2 + \vert \left( a^{\tfrac{3}{2}}_{1,\tfrac{3}{2}} - a^{\tfrac{3}{2}}_{1,\tfrac{1}{2}} \right) \sin (\theta )\vert ^2 \right] [/tex]

    I have searched in short AMS guide, but could not find it :(
     
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  3. Jan 5, 2008 #2

    morphism

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    Try \left| and \right|.
     
  4. Jan 5, 2008 #3

    malawi_glenn

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    [tex] \dfrac{d\sigma }{d\Omega } (\pi ^+ \text{p}) = \dfrac{1}{k^2}\left[ \left| a^{\tfrac{3}{2}}_{0,\tfrac{1}{2}} + \left( 2a^{\tfrac{3}{2}}_{1,\tfrac{3}{2}} + a^{\tfrac{3}{2}}_{1,\tfrac{1}{2}} \right) \cos (\theta ) \right| ^2 + \vert \left( a^{\tfrac{3}{2}}_{1,\tfrac{3}{2}} - a^{\tfrac{3}{2}}_{1,\tfrac{1}{2}} \right) \sin (\theta )\vert ^2 \right] [/tex]
     
  5. Jan 5, 2008 #4

    malawi_glenn

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    great =) thanx
     
  6. Jan 5, 2008 #5

    malawi_glenn

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    what?
     
  7. Dec 1, 2010 #6
    -Sometimes you don't want left and right just by itself.
    -The following works instead:

    \big\vert
    \bigg\vert
    \Bigg\vert

    kind regards,
    Ian Gregory, Sydney.
     
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