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creating matrix using existing matrix

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Tomer Marom
Tomer Marom 2021-8-15
评论： Tomer Marom 2021-8-18
given a matrix, how do you apply a function on every element to create a new matrix of the same size ?

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Image Analyst
Image Analyst 2021-8-15
Try passing your matrix into your function, like
newM = yourFunction(M)
where you define your operations in the function. For example to cube it (element by element) and add 4:
function newM = yourFunction(M)
newM = M .^ 3 + 4;
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Tomer Marom
Tomer Marom 2021-8-18
Thank you ! I guessed it should work that way but I coudlnt understand how to define functions properly.
I also found that using Arrayfun does the job pretty well, Thanks

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