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t=2.3263;! Z7 o# ^- {* L. ?% O
k=0.5244;3 X! [0 g# Z% b& f2 T0 I
R=0.15;
+ M7 E% V; c8 @% t: w- lu=[0.1221,0.1786,0.1452,0.1054,0.1132]';3 W7 M1 D, y7 Q( A+ D
E=[1234,864,-617,-246,987;864,642,586,-198,-815;-617,586,1433,469,-963;-246,-198,469,346,25;987,-815,-963,25,1827];
% R4 ^- R- j4 e& \; N) Y( xE=E/10000;* f0 I, D1 q+ O% i
c=0.0075;
; T9 K: V; b/ K' `0 g; Coptions = optimset('Algorithm','active-set'); % run active-set algorithm
" E8 d2 f! f# J8 |aeq=[1+c,1+c,1+c,1+c,1+c];9 g" j: X y+ d
beq=1;2 W) t1 y( \" H/ C! a- U W- P
lb=[0,0,0,0,0]';
; M) {; a' F" K; ]6 _4 x0 n6 x4 S- Kub=[1,1,1,1,1]';
/ j+ \: Z+ H, _; ^9 Y3 e( Kx0=[0.02,0.03,0.05,0.11,0.12]';( C4 p+ b/ ?$ K; T3 b. S* I" l
[x,fval,exitflag,output] = fmincon(@(x) myfun( x,t,E,u,c),x0,[],[],aeq,beq,lb,ub,@(x) mycon( x,t,k,E,u,c,R),options)
; m$ u+ N1 M$ R" _& H$ D7 E8 S Z# H* l) T, l
function f = myfun( x,t,E,u,c ) %目标函数8 U+ T9 h9 k) @- g4 @# p# c
%UNTITLED3 Summary of this function goes here! b3 ?' {0 |8 R) Q7 |/ ?* V
% Detailed explanation goes here6 w+ n9 s Y# l% y S
f=t*sqrt(x'*E*x)-(u'-c)*x;
" G- k2 e2 d3 d% D l+ q: Q1 ?end) i. s+ X; D) _6 P
6 b' F& W+ \( F4 P' u9 v) `
function [C,Ceq] = mycon( x,t,k,E,u,c,R ) %非线性约束
& o- |$ r2 Z$ p/ V5 V- D%UNTITLED4 Summary of this function goes here" Q8 }5 R7 M% o1 L) ~, o
% Detailed explanation goes here
% T5 J" d% V' _( w$ ?/ t/ IC=t*k*sqrt(x'*E*x)/(t-k)-t*(u'-c)*x/(t-k)+t*R/(t-k);
* ?/ \# j* h# B+ ~6 j5 H: P& D2 mCeq=[];
) u. _: v4 B3 [5 L& o% hend
$ e3 f) V8 L* b. P- ]9 l3 J
4 V1 c8 B- @* k0 {% {) U
0 F) r* Y. ^' m运行结果:: Z- M1 r* H+ [& e, D1 ~
Solver stopped prematurely.
b+ k5 V4 e" i3 z) ofmincon stopped because it exceeded the function evaluation limit,
; }& |& M4 [9 ?7 c3 Z( Z8 boptions.MaxFunEvals = 500 (the default value).
( P9 {: [+ t. ]/ s: u, Q: N N# m9 A! f9 @; [& V, m
x =6 J2 h. J9 [& _$ E, s- P# t
-0.0175
; z% |) y4 T0 z. b, a7 I9 z! J 0.4875
- E* {5 {/ r6 N -0.0175% c! ?) F3 ?0 ?' b* B: b& J& J
0.3074
' Y/ J% u* V- ] 0.2328& K" [+ q/ r; j# H9 |+ G, N2 ?( g
. Z) _- [4 o% m; o/ Q- m5 y4 h
fval =, B m1 m; K3 G
-0.0390
1 _) K" U" n6 U% c+ H l' t X5 j+ s% E
exitflag =
; E, D9 C) n9 a+ ~( z O 0/ Q! E0 e( x; e; i% k0 j
8 s- P0 H, S! K0 houtput = ; p1 @" b/ U* H% F9 N1 i. M% ]
iterations: 51
2 o/ u) M6 O. a funcCount: 505
( Z) k9 J: d- S+ r D9 C: U) k5 h: \ lssteplength: 0.1250% q! o. y( Q( a; P! a! a) {
stepsize: 0.0812
8 [' r" o% [. L1 }$ O% v7 W7 g algorithm: 'medium-scale: SQP, Quasi-Newton, line-search'
1 v; _ @- K7 T9 \# ^( s firstorderopt: 2.47324 g* ^, J) Y- h( g2 s
constrviolation: 0.0509. D( o. ?& a9 L% m! K2 d6 a
message: [1x145 char], \& n/ F# y+ J% ~3 V6 l
各位大虾,程序如上所述,为什么函数提前就结束了,是不是要改默认参数设置,小弟也试过,但是捣鼓不出来,希望各位高人不吝赐教,小弟先拜谢了 Orz |
zan
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