def sub(self, *args, **kwargs):
        """ sub(other, rho=0, inplace=True)
        Subtracts an *other* number instance. The correlation coefficient *rho* can be configured
        per uncertainty when passed as a dict. When *inplace* is *False*, a new instance is
        returned.
        """
        return self._apply(operator.sub, *args, **kwargs)
sub(other, rho=0, inplace=True)
        Subtracts an *other* number instance. The correlation coefficient *rho* can be configured
        per uncertainty when passed as a dict. When *inplace* is *False*, a new instance is
        returned.