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numpy.matlib.identity(n, dtype=None)
[source] -
Returns the square identity matrix of given size.
Parameters: n : int
Size of the returned identity matrix.
dtype : data-type, optional
Data-type of the output. Defaults to
float
.Returns: out : matrix
n
xn
matrix with its main diagonal set to one, and all other elements zero.See also
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numpy.identity
- Equivalent array function.
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matlib.eye
- More general matrix identity function.
Examples
>>> import numpy.matlib >>> np.matlib.identity(3, dtype=int) matrix([[1, 0, 0], [0, 1, 0], [0, 0, 1]])
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numpy.matlib.identity()
2017-01-10 18:15:57
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