mean(self, axis=None, dtype=None, out=None)
Refer to numpy.mean
for full documentation.
Same as :None:None:`ndarray.mean` except that, where that returns an ndarray
, this returns a matrix
object.
Returns the average of the matrix elements along the given axis.
>>> x = np.matrix(np.arange(12).reshape((3, 4)))
... x matrix([[ 0, 1, 2, 3], [ 4, 5, 6, 7], [ 8, 9, 10, 11]])
>>> x.mean() 5.5
>>> x.mean(0) matrix([[4., 5., 6., 7.]])
>>> x.mean(1) matrix([[ 1.5], [ 5.5], [ 9.5]])See :
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