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Re: beginner plot function with parameter


f[z_, s_] := (z/s)^2;
With[{s = 2},
   Plot[f[z, s], {z, -s, s}]


Wei Li wrote:
> Dear Mathgroup,
> I am using mathematica 5 to plot a function with some parameter, I want to 
> plot for example a simple parabolic function with positive parameter s:
> f[z_]:=(z/s)^2;
> Plot[f[z],{z,-s,s}];
> mathematica code doesn't seem to work, anyone can help?
> Thanks!
> Wei

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