isspmatrix — SciPy v1.15.3 Manual (original) (raw)

scipy.sparse.

scipy.sparse.isspmatrix(x)[source]#

Is x of a sparse matrix type?

Parameters:

x

object to check for being a sparse matrix

Returns:

bool

True if x is a sparse matrix, False otherwise

Examples

import numpy as np from scipy.sparse import csr_array, csr_matrix, isspmatrix isspmatrix(csr_matrix([[5]])) True isspmatrix(csr_array([[5]])) False isspmatrix(np.array([[5]])) False isspmatrix(5) False