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Module « numpy.matlib »

Fonction degrees - module numpy.matlib

Signature de la fonction degrees

Description

degrees.__doc__

degrees(x, /, out=None, *, where=True, casting='same_kind', order='K', dtype=None, subok=True[, signature, extobj])

Convert angles from radians to degrees.

Parameters
----------
x : array_like
    Input array in radians.
out : ndarray, None, or tuple of ndarray and None, optional
    A location into which the result is stored. If provided, it must have
    a shape that the inputs broadcast to. If not provided or None,
    a freshly-allocated array is returned. A tuple (possible only as a
    keyword argument) must have length equal to the number of outputs.
where : array_like, optional
    This condition is broadcast over the input. At locations where the
    condition is True, the `out` array will be set to the ufunc result.
    Elsewhere, the `out` array will retain its original value.
    Note that if an uninitialized `out` array is created via the default
    ``out=None``, locations within it where the condition is False will
    remain uninitialized.
**kwargs
    For other keyword-only arguments, see the
    :ref:`ufunc docs <ufuncs.kwargs>`.

Returns
-------
y : ndarray of floats
    The corresponding degree values; if `out` was supplied this is a
    reference to it.
    This is a scalar if `x` is a scalar.

See Also
--------
rad2deg : equivalent function

Examples
--------
Convert a radian array to degrees

>>> rad = np.arange(12.)*np.pi/6
>>> np.degrees(rad)
array([   0.,   30.,   60.,   90.,  120.,  150.,  180.,  210.,  240.,
        270.,  300.,  330.])

>>> out = np.zeros((rad.shape))
>>> r = np.degrees(rad, out)
>>> np.all(r == out)
True