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Re: plot modulus function
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From: |
Doug Stewart |
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Subject: |
Re: plot modulus function |
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Date: |
Fri, 23 May 2014 16:52:26 -0400 |
On May 23, 2014 4:39 PM, "message" <address@hidden> wrote:
>
> Readers,
>
> An introductory maths book describes the concept of a modulus function as a simplest description of a prescription (piecewise) function, providing the following example:
>
> f(x)=|x| defined as
> f(x)={x,x>=0
> -x,x<0
>
> The octave manual is now being read (chapter 1 so far :) ). What sections would describe how to generate values of x, so that a graph can be plotted (the plan would be to use gnuplot).
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> Thanks.
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>
This will make you a vector of x values
X=-5:.1:5