我有使用numpy数组的矩阵乘法矩阵示例:
import numpy as np
m = np.array([[1,2,3],[4,5,6],[7,8,9]])
c = np.array([0,1,2])
m * c
array([[ 0, 2, 6],
[ 0, 5, 12],
[ 0, 8, 18]])
如果m是scipy稀疏CSR矩阵,我怎么能做同样的事情？这会导致尺寸不匹配:
sp.sparse.csr_matrix(m)*sp.sparse.csr_matrix(c)