private Expression<Func<double[], double, double, double>> exprScheme1 = (c, t, v) => c[0] + c[1] * t + c[2] * v + c[3] * Math.Pow(t, 2) + c[4] * t * v + c[5] * Math.Pow(v, 2);
private Expression<Func<double[], double, double, double>> exprScheme2 = (c, t, v) => c[0] + c[1] * t + c[2] * v;
private Expression<Func<double[], double, double, double>> exprScheme3 = (c, t, v) => 0.0;
public static void Main()
Console.WriteLine("Hello World");