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Classe « ndarray »

Méthode numpy.ndarray.tobytes

Signature de la méthode tobytes

Description

help(ndarray.tobytes)

a.tobytes(order='C')

    Construct Python bytes containing the raw data bytes in the array.

    Constructs Python bytes showing a copy of the raw contents of
    data memory. The bytes object is produced in C-order by default.
    This behavior is controlled by the ``order`` parameter.

    Parameters
    ----------
    order : {'C', 'F', 'A'}, optional
        Controls the memory layout of the bytes object. 'C' means C-order,
        'F' means F-order, 'A' (short for *Any*) means 'F' if `a` is
        Fortran contiguous, 'C' otherwise. Default is 'C'.

    Returns
    -------
    s : bytes
        Python bytes exhibiting a copy of `a`'s raw data.

    See also
    --------
    frombuffer
        Inverse of this operation, construct a 1-dimensional array from Python
        bytes.

    Examples
    --------
    >>> import numpy as np
    >>> x = np.array([[0, 1], [2, 3]], dtype='<u2')
    >>> x.tobytes()
    b'\x00\x00\x01\x00\x02\x00\x03\x00'
    >>> x.tobytes('C') == x.tobytes()
    True
    >>> x.tobytes('F')
    b'\x00\x00\x02\x00\x01\x00\x03\x00'

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