performance difference in matrix mutiplication SAS/IML 1 个回复 - 1050 次查看
The cpu time will be different between a matrix (x) a vector and a vector (x) a matrix.
proc iml ;
nrow=4000;
ncol=4000;
x = j(nrow, ncol, 0);
y = j(nrow, 1,0);
call randgen(x, ...2013-10-14 07:08 - bobguy - SAS专版