#include
using namespace std; void main() { float x0,y0,h,**result; int N; float f(float x,float y); void euler(float (*f)(float,float),float,float,int,float,float **result); cout<<"输入初始点:"; cin>>x0>>y0; cout<<"输入解的个数和步长:"; cin>>N>>h; result=new float *[N]; for(int i=0;i