Re: plot and graphs

[Mahvish Nazir]

On Mon, Sep 3, 2012 at 12:38 PM, Andy Buckle <address@hidden> wrote:

On 3 September 2012 12:09, Mahvish Nazir <address@hidden> wrote:
> Can we plot the integrals using octave. I know we can plot functions but can
> we plot the integral of the function? please help

Why not?

>x=0:.1:1;
>y=x;
>plot(x,y)
>hold on
>q=cumtrapz(x,y);
>plot(x,q)
>plot(x,x^2/2,'x')


--
/* andy buckle */

Thanks Andy!

What if we have a function say (cos(t^2))^2*exp(i*t) and we want to plot its integral over the limits -5 to 5? how do we do that?