static void Main(string[] args)
{
try
{
//IExpression exp = new DivExp(new ConstExp(0), MonomialExp.createInstance(3, 0));
IExpression exp = new DivExp(new MulExp(new ConstExp(10), MonomialExp.createInstance(3, 0)), new AddExp(new MulExp(MonomialExp.createInstance(5, 2), new ConstExp(4)), MonomialExp.createInstance(3, 2)));
//IExpression exp = new DivExp(MonomialExp.createInstance(3, 2), new ConstExp(-2));
double eValue = exp.evaluate(3);
Console.WriteLine("Value:");
Console.WriteLine("The value of expression when x = 3 : {0}", eValue);
// ---------------
Console.WriteLine("\nNotations:");
INotation infixNtn = new InfixNotation();
INotation prefixNtn = new PrefixNotation();
INotation posfixNtn = new PosfixNotation();
Console.WriteLine("Infix Notation: {0}", exp.toString(infixNtn));
Console.WriteLine("Prefix Notation: {0}", exp.toString(prefixNtn));
Console.WriteLine("Posfix Notation: {0}", exp.toString(posfixNtn));
// ---------------
Console.WriteLine("\nDerivative with notations:");
Console.WriteLine("Infix Notation: {0}", exp.derive().toString(infixNtn));
Console.WriteLine("Prefix Notation: {0}", exp.derive().toString(prefixNtn));
Console.WriteLine("Posfix Notation: {0}", exp.derive().toString(posfixNtn));
}
catch (Exception e)
{
Console.WriteLine("Error : {0}", e.Message);
}
}
public IExpression derive()
{
return(MonomialExp.createInstance(this.a * this.n, this.n - 1));
}