# numpy.matrix.tobytes

method

matrix.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.

  New in version 1.9.0.

  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.

  Examples

      >>> 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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