numpy.asmatrix
- numpy. asmatrix ( data, dtype=None ) [source]
-
Interpret the input as a matrix.
Unlike
matrix
,asmatrix
does not make a copy if the input is already a matrix or an ndarray. Equivalent tomatrix(data, copy=False)
.- Parameters
-
- data array_like
-
Input data.
- dtype data-type
-
Data-type of the output matrix.
- Returns
-
- mat matrix
-
data
interpreted as a matrix.
Examples
>>> x = np.array([[1, 2], [3, 4]])
>>> m = np.asmatrix(x)
>>> x[0,0] = 5
>>> m matrix([[5, 2], [3, 4]])
© 2005–2021 NumPy Developers
Licensed under the 3-clause BSD License.
https://numpy.org/doc/1.22/reference/generated/numpy.asmatrix.html