public void EvaluateTest()
{
PolynomialEq target = new PolynomialEq(4,2,1);
double at = 3F; // TODO: Initialize to an appropriate value
double expected = 43F; // TODO: Initialize to an appropriate value
double actual = target.Evaluate(at);
Assert.AreEqual(expected, actual);
}
public void EvaluateAndEvaluateTheDerivativeTest()
{
PolynomialEq target = new PolynomialEq(4, 2, 1);
double at = 3F; // TODO: Initialize to an appropriate value
Tuple<double, double> expected = new Tuple<double, double>(43, 26);
Tuple<double, double> actual = target.EvaluateAndEvaluateTheDerivative(at);
Assert.AreEqual(expected, actual);
Assert.Inconclusive("Verify the correctness of this test method.");
}
static void getAllRoots()
{
//3x^2 + 6x + 0
List<double> roots = new PolynomialEq(3, 6, 0).GetRoots();
for(int i=0; i < roots.Count(); i++){
Console.WriteLine("Root " + i.ToString() + ": " + roots[i].ToString());
}
Console.WriteLine();
//6x^2 + 7x + -3
roots = new PolynomialEq(6, 7, -3).GetRoots();
for (int i = 0; i < roots.Count(); i++) {
Console.WriteLine("Root " + i.ToString() + ": " + roots[i].ToString());
}
Console.WriteLine();
//11x^2 -2x + -3
roots = new PolynomialEq(11, -2, -3).GetRoots();
for (int i = 0; i < roots.Count(); i++) {
Console.WriteLine("Root " + i.ToString() + ": " + roots[i].ToString());
}
Console.ReadLine();
}
static void vanDerWaals()
{
//Van Der Waals:
double a = 2, R = 8.31, T = 320, P = 100, b = 1;
var eq = new PolynomialEq(-a, R * T + P * b, P);
var roots = eq.GetRoots();
foreach (double d in roots) {
Console.WriteLine("Root:" + d.ToString());
Console.WriteLine("(error: " + eq.Evaluate(d).ToString() + ")");
}
Console.ReadLine();
}
