Return a string representing the matrix in LaTeX syntax.

        Returns
        -------
        str

def dumps_content(self):
        """Return a string representing the matrix in LaTeX syntax.

        Returns
        -------
        str
        """

        import numpy as np

        string = ''
        shape = self.matrix.shape

        for (y, x), value in np.ndenumerate(self.matrix):
            if x:
                string += '&'
            string += str(value)

            if x == shape[1] - 1 and y != shape[0] - 1:
                string += r'\\' + '%\n'

        super().dumps_content()

        return string