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Topic: How to plot functions
Replies: 5   Last Post: Mar 11, 2013 1:41 AM

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Christoph Lhotka

Posts: 41
Registered: 3/2/10
Re: How to plot functions
Posted: Mar 10, 2013 5:06 PM
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[Notice: This thread is now closed as there have been enough answers
and the initial poster is satisfied - Moderator]


take a closer look on definitions of functions using patterns.

f[c_]:=c x^2

should directly work as expected.


On 03/10/2013 06:48 AM, radres wrote:
> 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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