[R] R C API Resize matrix

[Morgan Morgan]

Hi,

Is there a way to resize a matrix defined as follows:

SEXP a = PROTECT(allocMatrix(INTSXP, 10, 2));
int *pa  = INTEGER(a)

To row = 5 and col = 1 or do I have to allocate a second matrix "b" with
pointer *pb and do a "for" loop to transfer the value of a to b?

Thank you
Best regards
Morgan

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