using System;
using static System.Console;
public class neldermead{
public static double size(vector[] p){
double s=0;
for(int i=1;i
F,ref vector x,double step=1.0/128,double dx=1e-3){
vector[] p=new vector[x.size+1];
double[] f=new double[x.size+1];
p[x.size]=x.copy();
f[x.size]=F(p[x.size]);
for(int i=0;idx && ++nsteps<999){
hi=0;lo=0;
double fhi=f[hi],flo=f[lo];
for(int k=1;kfhi){fhi=fnext;hi=k;}
if(fnext