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scipy.sparse.lil_eye

scipy.sparse.lil_eye((r, c), k=0, dtype='d')

Generate a lil_matrix of dimensions (r,c) with the k-th diagonal set to 1.

Parameters :

r,c : int

row and column-dimensions of the output.

k : int

• diagonal offset. In the output matrix,
• out[m,m+k] == 1 for all m.

dtype : dtype

data-type of the output array.