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Integral of four variables
From: |
Luiz Tizei |
Subject: |
Integral of four variables |
Date: |
Tue, 15 Apr 2014 22:18:40 -0700 (PDT) |
I am trying to implement a code in Octave to integrate a function that
depends in four variables. Unfortunately, I cannot separate the function in
a product of two functions, each depending on two of the variables.
Over all, what I have is an integral of a(p)*a(p')*w(p,p'), where p is a 2D
vector.
I am trying to implement something with a double use of dblquad, but it is
not working.
This is what I am currently trying:
f = @(x1,x2,x3,x4) x1 + x2 + x3 + x4;
g = @(x3,x4) dblquad(f, 0,1,0,1)
a = dblquad(g, 0,1,0,1);
What I am not sure is possible is the second line. I could not find any way
of doing this step.
Do you have any suggestions on how this could be performed?
Thank you!
Best wishes,
Luiz
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- Integral of four variables,
Luiz Tizei <=