[SciPy-User] Sparse Dense Matrix Multiplication
Oleksandr Huziy
guziy.sasha at gmail.com
Tue Nov 13 09:45:35 EST 2012
You could do the following:
import scipy as sp
from scipy import sparse
m = sparse.identity(2)
m1 = np.matrix([[1, 2], [3,4]])
type(m*m1)
print(type(m*sparse.csr_matrix(m1)))
Cheers
--
Oleksandr (Sasha) Huziy
2012/11/9 رامي الرفوع <rmyeid at gmail.com>
> Hi All,
>
> I would like to ask if scipy offers the following functionality:
>
> Dense Matrix * Sparse Matrix = Sparse Matrix.
>
> It is not element-wise multiplication, it is matrix-matrix multiplication.
>
>
> Regards.
>
>
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>
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