Calculo polinominal em c#

por **brujah999** Qua Nov 11 2009, 16:25

Código:: 1. using System; 2. using System.Collections.Generic; 3. using System.Linq; 4. using System.Text; 5. 6. namespace Horner 7. { 8. class Program 9. { 10. //here it all happens 11. static double Horner(double[] coeffients, int degree, double value) 12. { 13. double result = coeffients[degree]; 14. for (int i = degree - 1; i >= 0; i--) 15. { 16. result = result * value + coeffients[i]; 17. } 18. return result; 19. } 20. 21. 22. //Main function to exercise the above 23. static void Main(string[] args) 24. { 25. //coefficient array 26. double[] c = {0,0,0,0,0,0,0,0,0,0,0}; //degree 10 maximum 27. //highest degree 28. int d; 29. //value to be evaluated 30. double v; 31. Console.WriteLine("HORNER polynomial evaluator."); 32. Console.WriteLine(); 33. Console.Write("Enter degree of polynomial: "); 34. d = Convert.ToInt32(Console.ReadLine()); 35. Console.WriteLine("Fill in coefficients from low to high degree."); 36. Console.WriteLine("Coefficients, a[0], a[1], ..., a[" + d.ToString() + "]"); 37. for (int i = 0; i <= d; i++) 38. { 39. Console.Write("Coefficient a[" + i.ToString() + "] = "); 40. c[i] = Convert.ToDouble(Console.ReadLine()); 41. } 42. Console.Write("Enter the value to be evaluated: "); 43. v = Convert.ToDouble(Console.ReadLine()); 44. 45. double r = Horner(c, d, v); 46. Console.WriteLine("------------------------------------------------"); 47. Console.WriteLine("The calculated value for this polynomial is : {0}",r); 48. 49. } 50. } 51. }