csr_matrix — SciPy v1.16.2 Manual

csr_matrix# class scipy.sparse.csr_matrix(arg1, shape=None, dtype=None, copy=False, *, maxprint=None)[source]# Compressed Sparse Row matrix. This can be instantiated in several ways: csr_matrix(D)where D is a 2-D ndarray csr_matrix(S)with another sparse array or matrix S (equivalent to S.tocsr()) csr_matrix((M, N), [dtype])to construct an empty matrix with shape (M, N) dtype is optional, defaultin

[tettsyun]

CSR format の利点