ndarray.setfield(val, dtype, offset=0)
Put a value into a specified place in a field defined by a data-type.
Place val
into a
’s field defined by dtype
and beginning offset
bytes into the field.
Parameters: |
val : object Value to be placed in field. dtype : dtype object Data-type of the field in which to place offset : int, optional The number of bytes into the field at which to place |
---|---|
Returns: |
None |
See also
>>> x = np.eye(3) >>> x.getfield(np.float64) array([[ 1., 0., 0.], [ 0., 1., 0.], [ 0., 0., 1.]]) >>> x.setfield(3, np.int32) >>> x.getfield(np.int32) array([[3, 3, 3], [3, 3, 3], [3, 3, 3]]) >>> x array([[ 1.00000000e+000, 1.48219694e-323, 1.48219694e-323], [ 1.48219694e-323, 1.00000000e+000, 1.48219694e-323], [ 1.48219694e-323, 1.48219694e-323, 1.00000000e+000]]) >>> x.setfield(np.eye(3), np.int32) >>> x array([[ 1., 0., 0.], [ 0., 1., 0.], [ 0., 0., 1.]])
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https://docs.scipy.org/doc/numpy-1.14.2/reference/generated/numpy.ndarray.setfield.html