From help-octave-request at bevo dot che dot wisc dot edu Tue Jan 28 10:33:51 2003
Subject: Re: passing values to function
From: Heber Farnsworth <farnsworth at olin dot wustl dot edu>
To: Paolo Ariano <paolo dot ariano at unito dot it>
Cc: help-octave at bevo dot che dot wisc dot edu
Date: Tue, 28 Jan 2003 10:33:38 -0600

If I understand your problem correctly then the best way to solve it is 
to define a global variable A and write you function as

function y = f(x)
global A
y = (x/A**2)*exp(-x**2/(2*A**2))
endfunction

Then change the value of A at each stage of your loop.

Heber

On Tuesday, January 28, 2003, at 10:10 AM, Paolo Ariano wrote:

> hi * (all)
>
> thanks for the suggestions on fitting, now i'm integrating a lot of data
> in single files and i ought to write a int.ve to make it automatic but
> at the moment i can't understand how to pass a value to a function
> defined to be integrated:
>
> at the moment i define the function and put the value that change for
> every set of data (in this case is 0.051165):
>
> function y = f (x)
>   y =(x/0.051165**2)*exp(-x**2/(2*0.051165**2)) ;
> endfunction
>
> and then
>
> for i=1:columns(l)
> [v(i)] = quad ("f", l(i), l(i+1));
> endfor
>
> i'd like to put all in a function but how to put the right function in
> "f" and to pass the value as a variable ?
>
> thanks a lot
>
> probably is not so clear
> paolo
> --
> Paolo Ariano
> Neuroscience PhD Student
> DBAU & INFM Turin (Italy)
>
> La liberta' in coppia si dimezza -- Io
>
>
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