hx解析解4RK解 yv,yk1l10.010.0001.0000001.0000000.000000-2.0000000.0000000.010.0100.9998990.999899-0.020252-2.050554-0.020252,1.0390541.05071850.51.0637541
fortran下龙格库塔法求解Tag内容描述:
1、hx解析解4RK解 yv,yk1l10.010.0001.0000001.0000000.000000-2.0000000.0000000.010.0100.9998990.999899-0.020252-2.050554-0.020252。
2、1.0390541.05071850.51.0637541.07721760.61.0932111.10793270.71.1266811.14216580.81.163443。
3、1.二阶龙格库塔法实例,程序代码:DIMENSION x0:20,y0:20,z0:20,p0:21DOUBLE PRECISION x,y,z,p,h,x0,y0,z0,p0,n,k1,k2fx,yxyh1.020n20x00.0y00。
4、21)DOUBLE PRECISION x,y,z,p,h,x0,y0,z0,p0,n,k1,k2f(x,y)=x-yh=1.0/20n=20x(0)=0.0y(0)=0.0DO i=0,n-1 x(i。
5、自变量在x0,xt上取的点数:PointNum%varargin为可输入项,可传适当参数给函数f(x,y)%x:所取的点的x值%y:对应点上的函数值 if nargin4 | PointNu。
6、 y1=y0+h*(g1+2*g2+2*g3+g4)/6;resu0=t0+h;resu1=x1;resu2=y1;int main()double f(double t,double x, doubl。