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t=2.3263;% O6 [, K( c5 [. G5 U: i' o1 @' R
k=0.5244;+ Y9 i7 T1 q) V8 _4 |* v
R=0.15;
- P8 T; x' D0 m' |& L" Qu=[0.1221,0.1786,0.1452,0.1054,0.1132]';
# I* v$ {9 I! C' ~9 _$ `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];
% Z4 [9 \7 D3 g0 _& wE=E/10000;0 e2 s' }1 s* _& k9 _- Q7 V5 |' o
c=0.0075;7 c; V/ ^: O: w
options = optimset('Algorithm','active-set'); % run active-set algorithm
e. [! Y7 c: Naeq=[1+c,1+c,1+c,1+c,1+c];& m/ C: _- y7 b/ _) D% |% T
beq=1;2 _2 m! J/ V S4 C0 w5 f
lb=[0,0,0,0,0]';
, w0 g4 t4 M6 A/ gub=[1,1,1,1,1]';
# Y* J0 h3 k+ S# L% rx0=[0.02,0.03,0.05,0.11,0.12]';
+ C9 b/ y2 ?2 i# _, S[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)* x3 t( }+ n! N, M: `# ^0 @
?0 ^) b8 p1 f) q- C& h! ]8 Bfunction f = myfun( x,t,E,u,c ) %目标函数8 n3 G2 ?6 g2 T! T6 `( ?; P* [: W
%UNTITLED3 Summary of this function goes here
0 h# G/ M5 _: p, p* E7 R( i% Detailed explanation goes here+ z, }- ^5 I8 }3 ]) ~, i" w
f=t*sqrt(x'*E*x)-(u'-c)*x;
n/ O9 E, \, J& F+ n) Iend
* m2 M6 q- Q- o/ e" x" W9 N& x
0 @1 X B! t6 K, s( m; sfunction [C,Ceq] = mycon( x,t,k,E,u,c,R ) %非线性约束
0 Q% U; A) O# ?- Q2 S& @%UNTITLED4 Summary of this function goes here
0 |- m* B$ ?: \- x8 T% Detailed explanation goes here
* w9 B; _3 D xC=t*k*sqrt(x'*E*x)/(t-k)-t*(u'-c)*x/(t-k)+t*R/(t-k);
/ h* @9 a' L5 V& r- y# P2 }Ceq=[];
1 ], Z8 j l# z/ Gend
7 v, j3 j7 D2 [# g4 l R
& v* U% R: w, }5 ~
. I/ ]( Q" x" f9 x# w! `; E运行结果:' h A9 s7 g' Y; J7 U1 i
Solver stopped prematurely.- i- t; g0 }& k: P) Y# {/ R
fmincon stopped because it exceeded the function evaluation limit,: \/ j d) y" [
options.MaxFunEvals = 500 (the default value).: r4 w. t4 O, S% E
9 v3 B/ [" P) A: i" g g% v/ z
x =
) H" B4 s. c, c+ j" S: f -0.01755 V3 R( u. W: b
0.4875
. p: o2 J& N* P* ^$ s -0.0175 r% l o6 q1 h8 X* B8 \$ \2 ]
0.3074
( S# w7 x1 ?4 r. A% e3 _1 C 0.2328
% x( O6 A' A+ C# y$ h7 a1 a
1 J* _2 K4 p+ R" Ifval =$ @& Y& N# W8 T- N3 h+ m% [+ L: e
-0.0390 I3 S( j8 p$ g% B3 l0 r
$ y0 E9 i8 f! E8 h1 R
exitflag =# H3 p9 z( W9 }3 Y% h
0
5 A D1 q# {: O, A8 F M" U+ m$ n+ j7 C
output =
9 f9 p) o- y( T p$ Z4 k# s4 w! ^4 F: c iterations: 51* C' _. m5 N' f/ L
funcCount: 505
) X$ A+ x* q6 {6 P$ c; I4 S lssteplength: 0.1250
( b* [6 |$ {; M8 t4 o1 N% K3 E stepsize: 0.0812
' _) w1 R" T9 _* R5 s$ A algorithm: 'medium-scale: SQP, Quasi-Newton, line-search'
' Z8 T3 ]4 ]4 f3 I9 A firstorderopt: 2.4732$ w! a6 {4 g) D M2 n) l, i
constrviolation: 0.0509
" O9 w8 U! s/ H1 ^ message: [1x145 char]3 N! q+ f6 z; m
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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