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24499
2013 Dec 06
3
Matrix memory layout R vs. C
Hi everybody,
I'm trying to pass a matrix from R to C, where some computation is done
for performance reasons, and back to R for evaluation. But I've run into
the problem that R and C seem to have different ways of representing the
matrix in main memory. The C representation of a 2D matrix in linear
memory is concatenation of the rows whereas in R, it's a concatenation
of the