On 4/26/2007 2:42 PM, David Cournapeau wrote: > You are true for the semantics, but wrong for the consequences on copying, as matlab is using COW, and this works well in matlab.
It works well only if you don't change your input arguments. Never try to write to a matrix received as an argument in a function call. If you do, the memory expenditure may grow very rapidly. But as long a s NumPy does not use lazy evaluation the difference is not as striking as it could be. S.M. _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion
