public PolynomialViewModel()
{
Solutions = @"
Enter the equation like:
e.g. x^2 + 2x + 1 as 1,2,1
8x^3 + 2 as 8,0,0,2
and click on Solve.
";
EvaluateCommand = new DelegateCommand(() =>
{
Evaluated = "";
try
{
var px = new Polynomial(Input.Split(",".ToCharArray(), StringSplitOptions.RemoveEmptyEntries)
.Select(Complex.Parse)
.ToArray());
Equation = px.ToString();
Evaluated = px.Evaluate(Abscissa).ToString();
}
catch
{
Evaluated = "Error";
}
});
}
protected override void OnSolve()
{
Status = "Solving...";
Solutions = Equation = "";
Task.Run(() =>
{
try
{
var px = new Polynomial(Input.Split(",".ToCharArray(), StringSplitOptions.RemoveEmptyEntries)
.Select(Complex.Parse)
.ToArray());
var result = px.Roots.ToArray();
Solutions = result.Aggregate(string.Empty, (Current, Z) => Current + (Z + "\n"));
Equation = px.ToString();
Status = result.Length == 1 ? "1 Root Found." : result.Length + " Roots Found.";
}
catch (Exception ex)
{
Status = ex.Message;
}
});
}