Re: Question about creating functions...

[Juan Pablo Carbajal]

On Thu, Apr 7, 2016 at 5:36 PM, Del Ventruella <address@hidden> wrote:
> I'm new to Octave.  I learned Matlab many years ago, but two decades have
> passed.
>
> My initial attempts at writing functions follows.
>
> Can anyone give me some help with this file?
>
> Any pointers on functions and their inputs?
>
> I may want to use variables, as I do here, or I may want to use an array.
>
> Thanks!
> ======================
>
> #! C:\Octave\Octave-3.8.2\octave.bat -qf
> # a sample Octave program
> clc;
>
> function theta =thetaval(x)
> if (x < 0)
>    theta = 0;
> elsif (x > 0)
>    theta = 1;
> else
>    theta = 0.50;
> endif
> endfunction
>
> function delta = deltaval(a,x)
> delta = (a*sqrt(3.14159))^-1 * 2.7^(-y^2 / a^2);
> endfunction
>
> theta = cellfun(@thetaval,3)
> delta = cellfun(@deltaval,(2,5))
>
> printf ("theta = %10.2e \n",theta);
> printf ("delta = %10.4e \n",delta);
> # printf ("Hello, world!\n");
> pause;
> ans = input ("Press Enter to End");
>
>
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>

You do not need to use cellfun!
Just do
theta = thetaval(3)
delta = deltaval(2,5)