Re: SetDelayed
- To: mathgroup at smc.vnet.net
- Subject: [mg92895] Re: SetDelayed
- From: "Kevin J. McCann" <Kevin.McCann at umbc.edu>
- Date: Fri, 17 Oct 2008 05:23:49 -0400 (EDT)
- Organization: University System of Maryland
- References: <gd7068$iba$1@smc.vnet.net>
Itzhak,
Try replacing your function definition with this:
Clear[f]
f[x_?NumericQ] := NIntegrate[...
Kevin
Itzhak wrote:
> Why does Mathematica reply with:
>
> .."Integrand [(x-Cos[y])/(1+x^2-2*x*Cos[y])^1.5 is not numerical at {y}={1.5708}", to the following:
>
> Clear[f]
> f[x_]:=NIntegrate[(x-Cos[y])/(1+x^2-2*x*Cos[y])^1.5,{y,0,Pi}];
> Plot[Evaluate[f[x],{x,0,2}]
>
> How should it be written?
>
> Thank you.
>