class Equation:
def __init__(self, string):
self.string = string;
split = string.rstrip().split("=");
if (len(split) != 2):
raise Exception("the equation must have one left hand side and one right hand side");
else:
self.lhs = Polynomial(split[0]);
self.rhs = Polynomial(split[1]);
def isPopulated(self):
return self.lhs.isPopulated() and self.rhs.isPopulated();
def equals(self, other):
return self.lhs.equals(other.lhs) and self.rhs.equals(other.rhs);
def isolate(self):
print self;
tmp = copy.deepcopy(self);
self.lhs.sub(self.rhs);
self.rhs.monomials = [Monomial(0, 0)];
if (not self.equals(tmp)):
print self;
tmp = copy.deepcopy(self);
self.lhs.reduce();
self.lhs.sort();
self.power = self.lhs.power();
if (not self.equals(tmp)):
print self;
def __repr__(self):
return repr(self.lhs) + " = " + repr(self.rhs);
