def subs(self,dict):
eq = Equation(self.lhs.subs(dict),self.rhs.subs(dict),copy.copy(self.name))
eq.tag(**self.tags)
return eq
def subs(self,dict):
eq = Equation(self.lhs.subs(dict),self.rhs.subs(dict),copy.copy(self.name))
eq.tag(**self.tags)
return eq
