
Re: plotting integrals
Posted:
Sep 21, 2013 4:23 AM


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 selfcontradictory. 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 2173980700

