isspmatrix_dia — SciPy v1.15.2 Manual (original) (raw)

scipy.sparse.

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

Is x of dia_matrix type?

Parameters:

x

object to check for being a dia matrix

Returns:

bool

True if x is a dia matrix, False otherwise

Examples

from scipy.sparse import dia_array, dia_matrix, coo_matrix, isspmatrix_dia isspmatrix_dia(dia_matrix([[5]])) True isspmatrix_dia(dia_array([[5]])) False isspmatrix_dia(coo_matrix([[5]])) False