Using different X-axis in trapz

2022 8 1
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I want to numerically integrate the graph i have using an axis other than y=0. is there any built in tool to do that. Thanks for any help.

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Walter Roberson
Walter Roberson 2022-8-1

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No, there is no built-in tool for that .
Have you considered applying a rotation and translation ? makehgtform is convenient for creating transformation matrices
z = zeros(size(x));
[x(:), y(:), z(:), zeros(numel(x),1)] * Matrix
and take the first two columns of the output
I show z separately because this is the general form for when you have x y z coordinates, that you use them as the first three columns and the fourth needs to zeros

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