Dear list,
I was curious how to subtract a vector from matrix?
Say, I have
mat <- matrix(1:40, nrow=20, ncol=2)
x <-c(1,2)
I want,
x-mat[1,] and x-mat[2,], and so on... Basically, subtract column elements
of x against column elements in mat.
But x-mat won't do it.
Thanks,
Mike
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