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dia_matrix.dot
Ordinary dot product
Examples
>>> import numpy as np >>> from scipy.sparse import csr_array >>> A = csr_array([[1, 2, 0], [0, 0, 3], [4, 0, 5]]) >>> v = np.array([1, 0, -1]) >>> A.dot(v) array([ 1, -3, -1], dtype=int64)
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