Commit c757b2a7 authored by Steven Cordwell's avatar Steven Cordwell
Browse files

edit docstring of checkSquareStochastic()

parent f6e001b7
......@@ -310,14 +310,17 @@ def check(P, R):
def checkSquareStochastic(Z):
"""Check if Z is a square stochastic matrix.
Let S = number of states.
Z : a SxS matrix. It could be a numpy ndarray SxS, or a scipy.sparse
Z : array_like
This should be a two dimensional array_like with a shape of (S, S). It
can possibly be sparse.
Returns None if no error has been detected
Returns None if no error has been detected, else it raises an error.
# try to get the shape of the matrix
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