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I have a nx1 matrix I want to convert this to a nxn diagonal matrix in R
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Yes, every 1×1 matrix is diagonal.
To convert a vector into a diagonal matrix in R, we can use diag function along with matrix function and use ncol argument where we can put the number of columns equal to the number of values in the vector.
If you just want to know how to do this in R, it's:
my.matrix <- matrix(0, nrow=4, ncol=4)
diag(my.matrix) <- rep(0.25, 4)
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