How to create a random matrix?

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Anshuman 2022-10-6

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评论： Anshuman 2022-10-7

I am creating a SVD matrix UEV*. For that I want to create an E matrix with diagonal enteries in the range of [0,1] and also in increasing order. Can someone kindly suggest me a way to do so!

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John D'Errico 2022-10-6

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编辑：John D'Errico 2022-10-6

Can you generate a vector of numbers that all lie in the interval [0,1]? (I hope so. read the help for rand.)

Can you insure that vector of numbers lie in increasing order? (Again, I hope so. help sort)

Can you create a diagonal matrix, given a vector? (Again, help diag.)

The point is, when you have a problem that is too big for you to chew on, then break it down into smaller problems. Eat a programming elephant (even a small one) one byte at a time.