Solving of multivariable integral

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Oliver Stilz
Oliver Stilz 2020-10-8
回答： Ameer Hamza 2020-10-8
Hey,
i am looking for a possibility to numerically solve a function that has to be integrated over 4 variables ranging from 0 to definite values.
regards

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Ameer Hamza
Ameer Hamza 2020-10-8
You can call intergal2() twice like shown in this example
f = @(x,y,z,w) x.^2+(y.*z)+w;
% limits:
% x: [0 2]
% y: [0 3]
% z: [5 9]
% w: [1 3]
I1 = @(Z, W) arrayfun(@(z,w) integral2(@(x,y) f(x,y,z,w), 0, 2, 0, 3), Z, W);
integral2(@(z,w) I1(z,w), 5, 9, 1, 3)

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