How to Double integrate cell of array containing cell of array?

Question

Richard Johnson 2023-5-3

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1957264-how-to-double-integrate-cell-of-array-containing-cell-of-array

编辑： Torsten 2023-5-3

Snip_richard.png

Hello,

I have been trying to double integrate a cell of array containing cell of array/objects. However i am not able to get the required result and convert the result inot a matrix of same order (nxn). The screenshot of the same has been attached for reference.

Info regarding the Variables used in code as you in the screenshot attached:-

W{i,j} = 25 x 25 cell, where each cell contains the functions of variable "theta and phi".

Objective is to double integrate the W cell with respect to theta and phi within the limits of zero to pi/2 & zero to 2*pi respectively.

then, followed by converting the result into a matrix of 25x25 order, post compltion of the integration.

Request if someone may please show some guidance for the afpre mentioned problem.

Thanks in advance

Regards

Richard

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Answer 1

Torsten 2023-5-3

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1957264-how-to-double-integrate-cell-of-array-containing-cell-of-array#answer_1228489

编辑：Torsten 2023-5-3

在 MATLAB Online 中打开

Works. If your problem is more complicated, you will have to include the code as plain text (no graphics) in order to see where you get problems.

W = cell(2,2);
W{1,1} = @(theta,phi) sin(theta);
W{1,2} = W{1,1};
W{2,1} = W{1,1};
W{2,2} = W{1,1};
Wnum(1,1) = integral2(W{1,1},0,pi/2,0,2*pi)
Wnum = 6.2832