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Topic: SWITCH expression ERROR !!!!
Replies: 6   Last Post: Jan 23, 2013 10:01 AM

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Posts: 26
Registered: 12/22/12
Re: SWITCH expression ERROR !!!!
Posted: Jan 22, 2013 6:49 PM
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On Tue, 22 Jan 2013 22:54:09 +0000, Serhat wrote:

> I want to plot 3 graphics successively. So I use this code:
> for h=1:3
> switch h
> case 1
> semilogy(x, y, 'rx-')
> case 2
> semilogy(x, y, 'bo-')
> case 3
> semilogy(x, y, 'md-')
> end
> but it gives this message "" SWITCH expression must be a scalar or
> string constant."

well, it -should- have told you your 'for' loop doesn't end.

> What can I do?

Forget 'case', try invoking 'semilogy' three times, either as stacked figures ("tall"), or as three separate figures.

>Thanks in advance:)

read 'help' in advance.

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