//欧拉递推公式
public double X_Ee(int N, double rad)
{
double X = 0;
X = DifEquation.Euler_e(M, N, 0, 0, rad)[N - 1];
return(X);
}
//4阶R_K算法
public double B_RK4X(double X, int N)
{
double Brad = DifEquation.R_K4X(M, M, 10, 0, 0, Math.PI / 2, X, N);
return(Brad);
}
//欧拉预估-校正算法
//牛顿迭代公式
public double B_Euler_preX(double X, int N)
{
double Brad = DifEquation.Euler_preX(M, M, 1000, 0, 0, Math.PI / 2, X, N);
return(Brad);
}
//4阶R_K算法
public double B_RK4x(double X, int N)
{
double Brad = DifEquation.R_K4x(M, N, 0, 0, Math.PI / 2, X);
return(Brad);
}
//欧拉预估-校正算法
public double B_Euler_prex(double X, int N)
{
double Brad = DifEquation.Euler_prex(M, N, 0, 0, Math.PI / 2, X);
return(Brad);
}
//四阶龙格-库塔算法
public double X_RK4(int N, double rad)
{
double X = DifEquation.R_K4(M, N, 0, 0, rad)[N - 1];
return(X);
}
