Module « numpy.matlib »

Fonction real - module numpy.matlib

Signature de la fonction real

def real(val) 

Description

real.__doc__

    Return the real part of the complex argument.

    Parameters
    ----------
    val : array_like
        Input array.

    Returns
    -------
    out : ndarray or scalar
        The real component of the complex argument. If `val` is real, the type
        of `val` is used for the output.  If `val` has complex elements, the
        returned type is float.

    See Also
    --------
    real_if_close, imag, angle

    Examples
    --------
    >>> a = np.array([1+2j, 3+4j, 5+6j])
    >>> a.real
    array([1.,  3.,  5.])
    >>> a.real = 9
    >>> a
    array([9.+2.j,  9.+4.j,  9.+6.j])
    >>> a.real = np.array([9, 8, 7])
    >>> a
    array([9.+2.j,  8.+4.j,  7.+6.j])
    >>> np.real(1 + 1j)
    1.0