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t=2.3263;
6 h' D7 T8 R" nk=0.5244;, r5 S1 I1 i$ x2 t
R=0.15;/ a7 Z, Y9 H1 N6 h0 Z
u=[0.1221,0.1786,0.1452,0.1054,0.1132]';
+ O( j) L* p# e" ]7 n5 T3 ]- 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];
4 t" F& @( `9 R+ B7 KE=E/10000;. z( Y* K& z6 ]' }0 y( m! q+ X; A% f" r
c=0.0075;
: O& k7 N' m5 D3 v6 C% E: E. k: @options = optimset('Algorithm','active-set'); % run active-set algorithm
9 W3 H# D5 R7 H+ d8 u: ]) ]aeq=[1+c,1+c,1+c,1+c,1+c];
& @( x% e3 Y, ? N* J; g) d: ybeq=1;
9 a$ U# o4 z7 ~' f Ilb=[0,0,0,0,0]';
( I* Q |" L! v) Bub=[1,1,1,1,1]';
; m/ k. v9 f; G4 S/ m: Mx0=[0.02,0.03,0.05,0.11,0.12]';% K/ [/ Z& M M7 `$ h- M. c% h
[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)
5 d2 }# v. ^; a' f9 |! H' y# r4 u" P& H# c0 [0 j4 G, E* |
function f = myfun( x,t,E,u,c ) %目标函数
, R/ ^/ c( h# s2 O6 l6 G%UNTITLED3 Summary of this function goes here6 m, M' A. i: R- h
% Detailed explanation goes here l% m2 c, D6 S& S
f=t*sqrt(x'*E*x)-(u'-c)*x;/ I e/ L% w( T
end
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function [C,Ceq] = mycon( x,t,k,E,u,c,R ) %非线性约束
! j, s2 X4 @3 V/ N* G! v%UNTITLED4 Summary of this function goes here
/ e/ {# Z9 `/ v% Detailed explanation goes here: g) g- N. U$ P+ s4 z7 d) s# H) v
C=t*k*sqrt(x'*E*x)/(t-k)-t*(u'-c)*x/(t-k)+t*R/(t-k);
S" B, N& n: k1 N* K* V' PCeq=[];" D7 ^, |% ~- [+ O
end; Q6 j. N( S, [& C: c
. A3 p8 S& A2 p
5 l& K0 g5 }8 v* a运行结果:
: d7 F8 u& k" s9 ~) K! u4 n" ySolver stopped prematurely.
3 @6 F2 [! G; G$ J! K! Ofmincon stopped because it exceeded the function evaluation limit,
; j. c* r; W2 r3 ^: }. ?; D7 |options.MaxFunEvals = 500 (the default value).
& Y0 s. v' s& m9 V6 i
# G r, p. @9 w4 z& E! a$ ax =2 S7 w+ X t- a8 z
-0.0175
* A; Q( |8 |# V, V8 i: P3 c 0.4875
! _0 o' K" @( |3 s9 ] -0.0175
4 Q/ w7 b$ J8 I4 T9 s: [, N1 t 0.3074
2 O) M7 J1 h2 a 0.2328
( D, ^0 H5 n! \8 D5 q
( B# w! z( L" S* Efval =# q" Z0 H5 e5 y$ F: o+ N
-0.0390
, [! i* Y% @+ {; l
% F- T6 D' {9 P+ [3 \" H# s- q5 Gexitflag =
: I6 ^1 J+ E& o% `# s- f1 ~* Z 0
! I" h( y+ J: V a$ s* @5 D$ ^- y; V( C
output = / S% X' ^$ r0 U
iterations: 51
$ [3 K# K, q$ w. ^ P funcCount: 505" P0 L' o- E4 O( |
lssteplength: 0.1250) n a5 v: l2 H0 q `5 J
stepsize: 0.0812
7 O! Q* N! W7 b6 G algorithm: 'medium-scale: SQP, Quasi-Newton, line-search'6 w" u1 }3 L( x, m# u$ C D
firstorderopt: 2.4732
7 q* U; P5 @ y. r4 y constrviolation: 0.0509' |3 d: F ~2 m9 G- `
message: [1x145 char]
2 D2 k. L7 q: I% P$ N. K7 k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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