[SciPy-user] sparse matrix dtype

Robin robince@gmail....
Tue Oct 9 08:36:32 CDT 2007


I am trying to make a large sparse matrix - the values are all integers (in
fact all non-zeros will be 1) so it would save me a lot of memory if I could
use dtype=byte.

In [23]: test=sparse.lil_matrix((10,10),dtype=byte)

In [24]: test.dtype
Out[24]: dtype('float64')

Is this correct or is there something up here?


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