Date: Jan 28, 2013 11:17 AM
Author: Steven Lord
Subject: Re: 2 parameter quadl
"maia " <firstname.lastname@example.org> wrote in message
> can i use quadl for blow function
> f=@(x,y) (a*x+b*y);
> if i want integrate it due to only x how should i write it?
> like this
> quad(f, x ,0,pi)
For a fixed value of y, you mean?
y = 2;
quad(@(x) f(x, y), 0, pi);
Symbolically, leaving y unevaluated so you receive a function of y? You will
need to define x and y as a symbolic value then use the _symbolic_
integration routine INT.
syms x y
newf = f(x, y)
int(newf, x, 0, pi)
This assumes that your function is only using operations that are defined
for symbolic variables.
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