def read_var_array(self, header, process=True):
return self._matrix_reader.array_from_header(header, process)<EOL>
Read array, given `header`

        Parameters
        ----------
        header : header object
           object with fields defining variable header
        process : {True, False}, optional
           If True, apply recursive post-processing during loading of array.

        Returns
        -------
        arr : array
           array with post-processing applied or not according to
           `process`.