public override Function GetDerivative(FVar var)
{
if (Operand().HasVariable(var))
{
return(new FMul(new FCos(Operand().GetCopy()), Operand().GetDerivative(var)));
}
return(new FCons(0));
}
public override Function GetDerivative(FVar var)
{
if (this.HasVariable(var))
{
return(new FCons(1));
}
return(new FCons(0));
}
public override Function GetDerivative(FVar var)
{
bool checkLHS = LHS().HasVariable(var);
bool checkRHS = RHS().HasVariable(var);
bool checkBoth = checkLHS && checkRHS;
if (checkLHS && !checkRHS)
{
return(new FMul(LHS().GetDerivative(var), RHS().GetCopy()));
}
if (!checkLHS && checkRHS)
{
return(new FMul(LHS().GetCopy(), RHS().GetDerivative(var)));
}
if (checkBoth)
{
return(new FAdd(new FMul(LHS().GetDerivative(var), RHS().GetCopy()), new FMul(LHS().GetCopy(), RHS().GetDerivative(var))));
}
return(new FCons(0));
}
public override Function GetDerivative(FVar var)
{
bool checkLHS = LHS().HasVariable(var);
bool checkRHS = RHS().HasVariable(var);
bool checkBoth = checkLHS && checkRHS;
if (checkLHS && Exponent().GetID() == FCons.ID)
{
if (Exponent().GetValue() == 0)
{
return new FCons(0);
}
if (Exponent().GetValue() == 1)
{
return Base().GetDerivative(var);
}
}
if (checkLHS && !checkRHS)
{
return new FMul(RHS().GetCopy(), new FMul(new FPow(LHS().GetCopy(), new FSub(RHS().GetCopy(), new FCons(1))), LHS().GetDerivative(var)));
}
if (!checkLHS && checkRHS)
{
return new FMul(this.GetCopy(), new FMul(new FLn(LHS().GetCopy()), RHS().GetDerivative(var)));
}
if (checkBoth)
{
return new FMul(this.GetCopy(), new FAdd(new FMul(RHS().GetDerivative(var), new FLn(LHS().GetCopy())), new FMul(new FDiv(RHS().GetCopy(), LHS().GetCopy()), LHS().GetDerivative(var))));
}
return new FCons(0);
}
public override Function GetIntegral(FVar var)
{
// TODO Auto-generated method stub
return(null);
}
public override Function GetIntegral(FVar @var)
{
return(null);
}
public override bool HasVariable(FVar var)
{
return(base.HasVariable(var));
}
public override Function GetIntegral(FVar var)
{
throw new System.NotImplementedException();
}
public override Function GetDerivative(FVar var)
{
throw new System.NotImplementedException();
}
public override Function GetDerivative(FVar var)
{
return(new FCons(0));
}
public override Function GetIntegral(FVar var)
{
return null;
}