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how to get element of a matrix that defined as a function?

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reza hamzeh
reza hamzeh 2019-12-16
编辑： Stephen23 2019-12-16
hi. suppose this matrix function. how can i get its elements ? for example ha(1,1) dosent work.
ha=@(J) [0 J;1 J];

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Stephen23
Stephen23 2019-12-16
That numeric matrix is only created when the function is called, it does not exist beforehand.
So you need to call the function, assign its output to a variable, and then use indexing:
M = ha(5)
M(1,1)

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