On Tue, Jul 4, 2017 at 1:32 AM, <paul.carr...@free.fr> wrote: > Hi Brian > > > First of all thanks for the answer, the explanations and the advices; as > mentioned I've to think differently in order to code with efficiency. > > 1.: yes 'mat[:,0]=vect0' works fine and I understand why :-) > > 2. more generally, I've read some tutorials or presentations saying that > Numpy is faster than the native Python; regarding the (huge) size of my > matrices, vectorization, Numpy (and others) + optimzation of calls are the > basics > > Thanks > > > Note that NumPy is not the best for large text files, for instance, pandas is faster.
Also note that the custom here is bottom posting. And welcome to Python ;) <snip> Chuck > >
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