ise matrix multiplication with a special structure
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leaving us the the mess you see below.
You don't need any loops:
> aa <- matrix(1:9, 3, 3)
> bb <- aa * 10
> cc <- bb * 10
> x <- as.matrix(ex
Don't use html formatted emails. The r-help server strips the html formatting
leaving us the the mess you see below.
You don't need any loops:
> aa <- matrix(1:9, 3, 3)
> bb <- aa * 10
> cc <- bb * 10
> x <- as.matrix(expand.grid(k=1:3, j=1:3, c=1:3, r=1:3))
> str(x)
int [1:81, 1:4] 1 2 3 1 2
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