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t=2.3263;
% _" ~3 T% K7 x" E* k3 u3 z8 _k=0.5244;
@$ H( P; z; A& Z s* j& E' G( NR=0.15;) M* Z I0 a4 `- m% J
u=[0.1221,0.1786,0.1452,0.1054,0.1132]';
4 I) Q8 I( X* a1 p) TE=[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];
" t% e0 r4 x% `$ k6 d; zE=E/10000;
; }, g) O9 s( g& nc=0.0075;6 Z6 N6 y4 q& O2 Q
options = optimset('Algorithm','active-set'); % run active-set algorithm
8 s. ]( ^& a ?( m, ^/ l) jaeq=[1+c,1+c,1+c,1+c,1+c];
+ g' A5 g* }8 lbeq=1;
) {3 `% ^5 O7 \% w8 glb=[0,0,0,0,0]';6 _& A- R/ ^2 Z4 `2 }" f, N
ub=[1,1,1,1,1]';$ ?# C" C3 u1 y% F/ b4 K, n
x0=[0.02,0.03,0.05,0.11,0.12]';
6 R& P; _( l" Q" P* r[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)
- d, O$ V/ @0 l$ q
( T7 u7 F0 `& F7 N5 vfunction f = myfun( x,t,E,u,c ) %目标函数
7 k( k I+ |2 z" E( v8 @%UNTITLED3 Summary of this function goes here
/ r' e# y5 y( g2 b; z* J/ m8 y% Detailed explanation goes here2 `. {1 K2 l) G, K+ s
f=t*sqrt(x'*E*x)-(u'-c)*x;
; Q0 f/ r7 ~4 N" e; send
0 M0 O9 d# s) f! l9 B1 \6 s
& s* _$ P$ `3 @function [C,Ceq] = mycon( x,t,k,E,u,c,R ) %非线性约束) ~' \6 b) z! T# n9 W
%UNTITLED4 Summary of this function goes here
( e9 ]7 r8 a: @) b$ d' q% Detailed explanation goes here" U; r* Y9 a' P
C=t*k*sqrt(x'*E*x)/(t-k)-t*(u'-c)*x/(t-k)+t*R/(t-k);- y* v6 h+ a( j" E* d1 |8 O+ t
Ceq=[];
, ~# V/ t7 _0 o1 f$ ]end& D) f$ D2 f" D. s+ ^* s
5 y. P0 M# ^& k. b
$ @# R2 p( d3 {+ J* B6 S" g+ p+ b运行结果:7 l( c! R/ M5 T
Solver stopped prematurely.% ]9 l. L/ n# Y: b/ K# }0 `
fmincon stopped because it exceeded the function evaluation limit,
$ R( I7 ]9 b* T" g. G6 _; }0 G* hoptions.MaxFunEvals = 500 (the default value).4 N/ t- s2 R" u* ^% M8 }
+ c- ~7 T4 R6 ~ P% @: [" i3 F0 j
x =
% K K5 ~1 x& Z$ u( o0 p" q8 ^- R' ~ -0.01756 c" c# q2 H# C( d( ?; t
0.4875
7 Q: M7 X( }* l M, @- o+ x. U -0.0175
; `" s2 |$ g+ c+ Z 0.3074( C; S8 t/ ^& v4 x" ~* r. r6 r
0.2328& {" g Z) `' b, S1 y
$ q, Z' _5 Q/ p, O: {/ ^
fval =* I- B% {7 w" c: d8 I4 h) O, w
-0.0390
9 j; D& r# l6 d, Z+ |6 \8 Q& o, U5 c0 N G ], ]
exitflag =) U! Y! S6 l8 G9 J8 X7 f
0
. o3 ~& u7 y* Y. n( b
# I0 Z7 B$ j: k$ _% N7 a2 S/ U( ?output = / p0 h% k6 J. u& M# }4 r' i3 Y
iterations: 517 F# `7 G7 `& h1 C4 K
funcCount: 505; S' }$ `0 c0 {! T) c/ d' u' M
lssteplength: 0.1250
1 l6 M; l0 |% ?3 \/ Y5 m! O$ z' X stepsize: 0.0812
& `0 A' B% {6 S \, t algorithm: 'medium-scale: SQP, Quasi-Newton, line-search'. |: H7 l) `( @9 W; q; q2 E
firstorderopt: 2.47327 h6 b1 ? j' Z- j# M8 }( k1 f
constrviolation: 0.0509
# ]( C1 f# }! E! h& l; X message: [1x145 char]
" p; J% m# K$ Z. o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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