(self)
return np.vstack(
            (np.hstack((np.array(self), self.col_unknowns.reshape(-1, 1))),
             np.append(self.row_unknowns, self.unknowns)))
This property returns a contingency array with unknowns arrays added
        as a column and row.

        Returns
        -------
        np.array
            Array with concatenated unknowns as a row and column
This property returns a contingency array with unknowns arrays added
        as a column and row.
This property returns a contingency array with unknowns arrays added as a column and row .
def array_with_unknowns(self):
        """
        This property returns a contingency array with unknowns arrays added
        as a column and row.

        Returns
        -------
        np.array
            Array with concatenated unknowns as a row and column
        """
        return np.vstack(
            (np.hstack((np.array(self), self.col_unknowns.reshape(-1, 1))),
             np.append(self.row_unknowns, self.unknowns)))
def array_with_unknowns ( self ) : return np . vstack ( ( np . hstack ( ( np . array ( self ) , self . col_unknowns . reshape ( - 1 , 1 ) ) ) , np . append ( self . row_unknowns , self . unknowns ) ) )