[SciPy-user] Sparse matrices

[Nils Wagner]

Hi all,

from scipy import *
A = sparse.dok_matrix()

for i in range(3):
  A[i,i] = 0.0+0.0j
# A[i,i] = 0.1+0.0j

n,m = A.shape
print n,m
print A


n, m should be equal to 3, but this is only valid for non-zero entries.

Am I missing something ?

Nils