Re: plotting integrals
- To: mathgroup at smc.vnet.net
- Subject: [mg131700] Re: plotting integrals
- From: Itai Seggev <itais at wolfram.com>
- Date: Sat, 21 Sep 2013 04:40:10 -0400 (EDT)
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On Fri, Sep 20, 2013 at 07:07:37AM -0400, Herman wrote:
> Dear All,
>
> I would like to plot the function Subscript[\[Eta], B] but I got errors.
> Could someone please help me with these errors?
>
>
> \[Psi][x_, \[Omega]_] := (\[Omega]/\[Pi])^(1/4)
> Exp[-1/2 \[Omega] x^2]
>
> \[Psi]1[x_, a_, n_] := Sqrt[(2 n)!!/((2 n - 1)!! \[Pi])] Cos [a*x]^n
>
> Subscript[F, TPT][x_, a_, n_] :=
> NIntegrate[\[Psi]1[x, a, n]*\[Psi][x,
> a*Sqrt[2 n (n - 1)]], {x, -\[Pi]/2, \[Pi]/2}]
This definition is self-contradictory. You are say that F_TPT depends on x,
but x is a dummy variable on the RHS.
> Subscript[\[Eta], B][x_, a_,
> n_] := Sqrt[(1 - Subscript[F, TPT][x, a, n])]
>
> Plot[Subscript[\[Eta], B][x, 1, 3], {x, -\[Pi]/2, \[Pi]/2}]
>
--
Itai Seggev
Mathematica Algorithms R&D
217-398-0700
- References:
- plotting integrals
- From: Herman <btta2010@gmail.com>
- plotting integrals