numpy.asfortranarray

numpy.asfortranarray(a, dtype=None)[源代码]

Return an array laid out in Fortran order in memory.

Parameters:
a : array_like

Input array.

dtype : str or dtype object, optional

By default, the data-type is inferred from the input data.

Returns:
out : ndarray

The input a in Fortran, or column-major, order.

参见

ascontiguousarray
Convert input to a contiguous (C order) array.
asanyarray
Convert input to an ndarray with either row or column-major memory order.
require
Return an ndarray that satisfies requirements.
ndarray.flags
Information about the memory layout of the array.

Examples

>>> x = np.arange(6).reshape(2,3)
>>> y = np.asfortranarray(x)
>>> x.flags['F_CONTIGUOUS']
False
>>> y.flags['F_CONTIGUOUS']
True