SciPy

scipy.sparse.issparse

scipy.sparse.issparse(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

Notes

issparse and isspmatrix are aliases for the same function.

Examples

>>> from scipy.sparse import csr_matrix, isspmatrix
>>> isspmatrix(csr_matrix([[5]]))
True
>>> from scipy.sparse import isspmatrix
>>> isspmatrix(5)
False

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