@staticmethod
def get_ui_message(list_of_equation_names):
    """
        The message returned by this method should be displayed if
        the equation with the given name couldn't be evaluated in all points.
        """
    if list_of_equation_names:
        return 'Could not evaluate the ' + ', '.join(list_of_equation_names
            ) + ' equation(s) in all the points. Some of the values were changed.'
    else:
        return ''
