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mean2
2008 Jul 06
3
Lots of huge matrices, for-loops, speed
Hello,
we have 80 text files with matrices. Each matrix represents a map (rows for
latitude and columns for longitude), the 80 maps represent steps in time. In
addition, we have a vector x of length 80. We would like to compute a
regression between matrices (response through time) and x and create maps
representing coefficients, r2 etc. Problem: the 80 matrices are of the size
4000 x 3500 and we