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Re: How to plot functions

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  • Subject: [mg130114] Re: How to plot functions
  • From: Peter Klamser <klamser at googlemail.com>
  • Date: Sun, 10 Mar 2013 17:06:52 -0400 (EDT)
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You must use patterns, ad minim an empty pattern, defining a function.
f[c_]=c x^2 works fine.
f[c_,x_]=c x^2
Plot[ f[3,x], {x, -10, 10} ] works even better suggests
Peter

2013/3/10 radres <radressss at gmail.com>:
> Hi,
>
> Let's say I've defined a function f[c]=c*x^2
>
> when I try to plot this directly,
>
> Plot[ f[3], {x, -10, 10} ]
>
> it doesn't plot anything.
>
> But when I assign function to a variable,
>
> v1=f[3]; Plot[v1, {x, -10, 10}]
>
> then there is no problem. But I dont want this. Is there any way to plot directly from a function?
>



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