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t=2.3263;
2 V% I4 q4 O q3 Q. k: ~& vk=0.5244;
* V7 [- N+ {+ Z8 Y3 m, g* BR=0.15;+ \2 n5 N3 u" E1 A
u=[0.1221,0.1786,0.1452,0.1054,0.1132]';
7 ]$ U3 l n+ [# J# S* C4 oE=[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];
3 q1 c; [7 z, z6 ?7 f. CE=E/10000;
: B- z- ^( }, P9 } n' l6 T8 O" ]c=0.0075;$ P( G5 z) B3 w. F5 X' g9 a: E6 L
options = optimset('Algorithm','active-set'); % run active-set algorithm \0 S8 g$ Y2 Z; y$ I( Y
aeq=[1+c,1+c,1+c,1+c,1+c];5 w. U6 _: u7 w; M1 M
beq=1;. [8 B$ ^0 l% J# H, k) N
lb=[0,0,0,0,0]';
* |7 r. ]+ u/ o5 `3 i: J" H: q/ xub=[1,1,1,1,1]';
( w7 I! v. Y* ux0=[0.02,0.03,0.05,0.11,0.12]';
% x' s y2 i; V! w[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)# ^' C7 s8 O: f" E* p5 {' }
7 l" c. i1 B0 o7 x) {% z2 n; J
function f = myfun( x,t,E,u,c ) %目标函数2 V% R2 x& K% Y9 f, U
%UNTITLED3 Summary of this function goes here
; }' Z/ h$ ]* V. t, D1 m4 n% S( k% Detailed explanation goes here3 W) \# w( \9 j4 M/ ]4 p
f=t*sqrt(x'*E*x)-(u'-c)*x;& n/ e+ I! j3 A- X1 N5 b
end4 N4 X- e& W- A" q' l1 o6 V
+ W2 k2 F3 a6 W5 C' E" c
function [C,Ceq] = mycon( x,t,k,E,u,c,R ) %非线性约束
) c, m! M3 Q5 q* I- J2 r x%UNTITLED4 Summary of this function goes here9 n D/ F" x2 f7 }1 }, ]
% Detailed explanation goes here+ e# M. b$ \( K! n
C=t*k*sqrt(x'*E*x)/(t-k)-t*(u'-c)*x/(t-k)+t*R/(t-k);
& L4 D }% b8 [8 ]Ceq=[];% a: Z7 G3 a( Z6 p
end5 [6 R6 \5 Z* d; B) {, p
- i; ]7 c8 Q# L0 }" P2 G! ?
% S) {# B U: F: a
运行结果:
- c7 r& ]8 _& {" j2 [* JSolver stopped prematurely.
$ O2 \! M9 Q8 i- A% I" O, Jfmincon stopped because it exceeded the function evaluation limit,
9 w" e" a% [; K X0 Hoptions.MaxFunEvals = 500 (the default value).
+ ~' e4 u: l7 ^4 ^% a) D
! ^8 `7 g2 k7 ~( }x =
. O0 j7 g6 q0 x# }& W k5 U -0.01754 {+ B% I) A" e& A
0.4875' B& w, B j. _
-0.0175
! W# b9 }6 u+ y. v" V5 T4 o 0.3074
5 l# H% P8 u/ P' o r/ m 0.2328& d" I) m# c; Z
* f& T6 g8 S3 }: Qfval =/ v! T6 z I2 F4 x# T: G
-0.03903 f- d b; a. V2 U
" r* V: ^$ h+ gexitflag =& h; t3 E w9 V1 c. t$ t+ g+ a
0
* [. \2 r1 e4 k! p) Q
- e. u5 _' _$ W0 B! t. z a+ Koutput = 7 D5 ]5 Q0 [" j
iterations: 51
8 s& k; L# E" Q4 ]8 M: T- i funcCount: 5058 w" |" b# z( F9 i! ?+ U$ S( L
lssteplength: 0.1250
9 V2 f3 \, a! p; S stepsize: 0.0812" M% }/ D( }% V) T
algorithm: 'medium-scale: SQP, Quasi-Newton, line-search'
! W: _3 c( J) X8 Z. v! U" ~ firstorderopt: 2.47322 j( w+ H: ?: y! A- y4 G. ^
constrviolation: 0.0509
/ k( m: c9 p, |- r3 y6 H9 l, _- l message: [1x145 char]
- @2 ~8 J, g* ~* x! I2 I9 p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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