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t=2.3263;
1 n* H5 a( Z) R% _5 ek=0.5244;
) e1 x! @: ]; o* L% X# hR=0.15;
6 ~& |) d# b# Du=[0.1221,0.1786,0.1452,0.1054,0.1132]';0 P4 M' L2 K* T. K& @
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];) {3 }6 I" r' M# E/ _2 \
E=E/10000;
0 C1 Y( }: {6 `. x* `c=0.0075;8 C; a/ u8 `* O/ n
options = optimset('Algorithm','active-set'); % run active-set algorithm
H3 b) Y8 Y6 }3 Maeq=[1+c,1+c,1+c,1+c,1+c];
2 o; U. i7 O( y) X3 l! Vbeq=1;
5 B7 Y+ b. i% Klb=[0,0,0,0,0]';
' Q: I" @9 C3 d1 R9 C6 G! mub=[1,1,1,1,1]';8 H! r. P: M; ~- |1 i
x0=[0.02,0.03,0.05,0.11,0.12]';
: c2 j N' P/ o7 ?[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)
/ e3 f, i. ~+ I% b9 l7 [ X6 j( w, I. U1 v
function f = myfun( x,t,E,u,c ) %目标函数
% l' d% A7 V; I$ o( }%UNTITLED3 Summary of this function goes here
9 W4 V0 \* b$ o" q, j% Detailed explanation goes here
" [1 d4 i T6 k0 H: e" d; T; \f=t*sqrt(x'*E*x)-(u'-c)*x;
# `. B- T( C. R7 V7 M0 S; G+ lend- S, ^+ J& N# Q: ^! [, E
$ q! C2 \8 K4 v% _function [C,Ceq] = mycon( x,t,k,E,u,c,R ) %非线性约束
9 N* B/ E& d9 {& q2 r5 e%UNTITLED4 Summary of this function goes here2 n" B: ?" U- w3 m0 g/ K
% Detailed explanation goes here
Q% T, X. ?( E. HC=t*k*sqrt(x'*E*x)/(t-k)-t*(u'-c)*x/(t-k)+t*R/(t-k);" q3 R+ l1 M/ S' T$ c* t" j
Ceq=[];7 {7 l* x$ ^" G, R$ k7 l
end4 I" y- Z% ?1 ?6 a- S0 r) F b: j- u
+ a2 R- I0 D; D. O; u& z, E
) {% F0 N6 Q: g9 z0 H+ p& ?运行结果:
3 d8 x5 {- m: L U% F$ JSolver stopped prematurely.1 K6 V6 I$ ^- ?6 z* l9 _
fmincon stopped because it exceeded the function evaluation limit,
" b+ @9 N- O& y2 o4 E4 y1 q3 { Coptions.MaxFunEvals = 500 (the default value).
) \) p7 n% A9 X- X
* w+ S1 p3 F7 Y9 R$ T1 D- Y+ \x =
# }: L' v! Z u1 H. U; O/ O2 F -0.0175
) }3 u: R- z9 I) i. Y6 y 0.4875
8 r2 W$ ~6 `; h1 A7 o$ r$ t) d -0.0175- y$ ?' X% _5 ?5 v8 i- ?. C
0.30746 n& Y/ g% ^, X3 S6 l& w
0.2328: [4 z* q' P! P) ^$ ?/ M" h
" R; @4 _9 y5 @6 w* o6 u2 ~! r; m3 Ifval =* a2 X ~' O( j9 c
-0.03909 y, P2 @: U( {% q" ?% c
- ^% K# r+ ~# m5 p9 @- Hexitflag =
" p7 B, _ |7 l7 }. \* t7 @7 T0 P 0, N6 j% `& y8 a6 k& s1 l) |8 _
0 I' e# f* s! P8 K- H
output =
- _- `4 g; [: x iterations: 51* @2 d* ^7 ?8 i5 x# `/ }
funcCount: 505" n6 B" U5 Q: j, l$ b+ \! u }
lssteplength: 0.12502 {/ n7 l9 S0 X9 d) [
stepsize: 0.0812& M! B" J" z8 L1 G' l. u
algorithm: 'medium-scale: SQP, Quasi-Newton, line-search'
5 N# T3 J2 T4 @ [* U firstorderopt: 2.4732
' \) o9 }' a( v3 d8 }( U constrviolation: 0.0509 q7 d2 R+ ]$ D2 |* p; J
message: [1x145 char]# P+ L( ]% B t7 j: \ |
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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