static void Main(string[] args)
{
Console.WriteLine("This program defines some polynomials and performs");
Console.WriteLine("operations between them.");
Console.WriteLine("");
Polynomial[] polynomials = new Polynomial[4];
// + 5 x^11 + 25 x^8 - 17 x^5
polynomials[0] = new Polynomial();
polynomials[0].Append(new Monomial(5, 11));
polynomials[0].Append(new Monomial(25, 8));
polynomials[0].Append(new Monomial(-17, 5));
// + 2 x^4 - x^3 + 5 x - 5
polynomials[1] = new Polynomial();
polynomials[1].Append(new Monomial(2, 4));
polynomials[1].Append(new Monomial(-1, 3));
polynomials[1].Append(new Monomial(5, 1));
polynomials[1].Append(new Monomial(-5, 0));
// + 15 x^11
polynomials[2] = new Polynomial();
polynomials[2].Append(new Monomial(15, 11));
// + 1
polynomials[3] = new Polynomial();
polynomials[3].Append(new Monomial(1, 0));
Console.WriteLine("POLYNOMIALS AND THEIR PROPERTIES");
Console.WriteLine();
for (int i = 0; i < polynomials.Length; i++)
{
Console.WriteLine("P" + (i + 1) + "(x) = " + polynomials[i].ToString());
Console.WriteLine("* Coefficients: " + ListDoubleToString(polynomials[i].Coefficients));
Console.WriteLine("* Exponents:" + ListIntToString(polynomials[i].Exponents));
Console.WriteLine("* Degree:" + polynomials[i].Degree);
Console.WriteLine();
}
Console.WriteLine("EVALUATION OF POLYNOMIALS");
Console.WriteLine();
double[] values = new double[] { -2.4, -1.7, 0, 1, 3, 7.7 };
foreach (double value in values)
{
Console.WriteLine("P1(" + value + ") = " + polynomials[0].Evaluate(value));
Console.WriteLine("P2(" + value + ") = " + polynomials[1].Evaluate(value));
Console.WriteLine("P3(" + value + ") = " + polynomials[2].Evaluate(value));
Console.WriteLine("P4(" + value + ") = " + polynomials[3].Evaluate(value));
Console.WriteLine();
}
Console.WriteLine("OPERATION BETWEEN POLYNOMIALS");
Console.WriteLine();
for (int i = 0; i < polynomials.Length; i++)
{
for (int j = i + 1; j < polynomials.Length; j++)
{
Console.WriteLine("P" + (i + 1) + "(x) and P" + (j + 1) + "(x)");
Console.WriteLine("* SUM: " + polynomials[i].Add(polynomials[j]).ToString());
Console.WriteLine("* DIFFERENCE: " + polynomials[i].Subtract(polynomials[j]).ToString());
Console.WriteLine("* PRODUCT: " + polynomials[i].Multiply(polynomials[j]).ToString());
Console.WriteLine();
}
}
Console.WriteLine("");
Console.WriteLine("THANK YOU FOR USING THIS PROGRAM!");
Console.ReadLine();
}
/// <summary>
/// Adds the other polynomial to the current one.
/// </summary>
/// <param name="p">The polynomial that is to be added to this one.</param>
public void AddPolynomial(Polynomial p)
{
this.polynomialData.Add(p);
}
/// <summary>
/// Mutliplies two polynomials
/// </summary>
/// <param name="lhs">First polynomial</param>
/// <param name="rhs">Second polynomial</param>
/// <returns>Multiplication of polynomials</returns>
public static Polynomial operator *(Polynomial lhs, Polynomial rhs)
{
return(Polynomial.Mul(lhs, rhs));
}
/// <summary>
/// Calculates the substraction of two polynomials
/// </summary>
/// <param name="lhs">First polynomial</param>
/// <param name="rhs">Second polynomial</param>
/// <returns>Substraction of polynomials</returns>
public static Polynomial operator -(Polynomial lhs, Polynomial rhs)
{
return(Polynomial.Sub(lhs, rhs));
}
/// <summary>
/// Calculates the negation of two polynomial
/// </summary>
/// <param name="value">Source polynomial</param>
/// <returns>Negation of polynomial</returns>
public static Polynomial operator -(Polynomial value)
{
return(Polynomial.Negation(value));
}
/// <summary>
/// Adds two polynomials
/// </summary>
/// <param name="lhs">First polynomial</param>
/// <param name="rhs">Second polynomial</param>
/// <returns>Sum of polynomials</returns>
public static Polynomial operator +(Polynomial lhs, Polynomial rhs)
{
return(Polynomial.Add(lhs, rhs));
}