最优化方法及其matlab程序设计 马昌凤版 课后答案 杭电课件

01.14591.854100.70821.145900.43770.70820.43770.70820.87540.70820.87540.97870.70820.81150.87540.70820.77210.81150.77210.81150.83590.77210.79650.81150.79650.81150.8208

第4题：

3.00001.85411.14591.14591.14590.97870.87540.87540.83590.8359

(7)

clearall;[s,phis,k,ds,dphi,S]=qmin(inline(′s3 2 s+1′),0,3,1e 2,1e 4); ss=0.8165第6题

functionf=fun(x)

f=100 (x(2) x(1)2)2+(1 x(1))2;functiongf=gfun(x)

gf=[ 400 (x(2) x(1)2) x(1) 2 (1 x(1)),200 (x(2) x(1)2)]′;functionmk=armijo(xk,dk)beta=0.5;sigma=0.2;m=0;mmax=20;while(m¡=mmax)

if(fun(xk+betam dk)<=fun(xk)+sigma betam gfun(xk)′ dk)mk=m;break;

6