如何评价国产软件 TRUFFER（可替代 MATLAB）？ 第1页

       using System; using System.Text; using System.Data; namespace Legal.Math {  public class CMatrix         {          //省略属性和其他方法   public int Length   {    get    {     if (_length <= 0) _length = Rows * Columns;     return _length;    }    private set    {     _length = 0;    }   }   #endregion                 public static CMatrix FFT(CMatrix Ma)   {    CMatrix p = new CMatrix(Ma.Rows, Ma.Columns);    for (int k = 0; k < Ma.Length; k++)    {     double x = 0.0;     double y = 0.0;     double s = 0.0;     double t = 2 * System.Math.PI * k / Ma.Length;     for (int i = 0; i < Ma.Length; i++)     {      x += Ma[i].Real * System.Math.Cos(s) + Ma[i].Imaginary * System.Math.Sin(s);      y += Ma[i].Imaginary * System.Math.Cos(s) - System.Math.Sin(s) * Ma[i].Real;      s += t;     }     p[k] = new Complex(x, y);    }    return p;   }         } }