- 在线时间
- 23 小时
- 最后登录
- 2011-4-3
- 注册时间
- 2010-3-30
- 听众数
- 3
- 收听数
- 0
- 能力
- 0 分
- 体力
- 18 点
- 威望
- 0 点
- 阅读权限
- 20
- 积分
- 20
- 相册
- 0
- 日志
- 0
- 记录
- 0
- 帖子
- 29
- 主题
- 3
- 精华
- 0
- 分享
- 0
- 好友
- 0
升级   15.79% 该用户从未签到
- 自我介绍
- 对新事物永远热爱
 |
t=2.3263;6 P S) S$ j5 T$ ^' j( D
k=0.5244;
0 c8 x5 _& d5 f% _5 C# ?/ e! BR=0.15;
# P) H" b' T6 x, {6 i( \u=[0.1221,0.1786,0.1452,0.1054,0.1132]';
" D& x9 ]6 E8 u7 ^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];
" C5 d/ ]0 W/ iE=E/10000;
& f4 j1 K; S6 P) Hc=0.0075;9 _6 U3 @ T2 g+ t5 L* a
options = optimset('Algorithm','active-set'); % run active-set algorithm
: x; k6 i( Q2 S* P" e! Paeq=[1+c,1+c,1+c,1+c,1+c];
+ g4 I L( k6 J# z& W" y8 f5 \beq=1;
7 V, h! O6 k$ ]lb=[0,0,0,0,0]';+ q& s8 J0 y% {
ub=[1,1,1,1,1]';
5 p( B+ k! d" r* fx0=[0.02,0.03,0.05,0.11,0.12]';' K& X* A2 `- O0 O8 @
[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)) y/ R. @5 T# N9 w; G" f
" O" N( Z1 G' ~/ J( O9 X- {9 Ffunction f = myfun( x,t,E,u,c ) %目标函数' T) w- p. \! C& D$ c( V& o% J
%UNTITLED3 Summary of this function goes here
+ _, A8 y a* A" y" r) H9 F% Detailed explanation goes here; K! t% S3 t+ x6 k, E
f=t*sqrt(x'*E*x)-(u'-c)*x;
4 O' ~9 r% z9 B2 H2 s- G' s3 C1 ]7 ]! hend
2 r+ U9 M2 S, A7 J/ T( N0 Q x7 O1 z1 E" }
function [C,Ceq] = mycon( x,t,k,E,u,c,R ) %非线性约束8 m1 A" e, _8 {: O+ t. e
%UNTITLED4 Summary of this function goes here1 z5 v$ d B$ t6 h0 S5 G
% Detailed explanation goes here
: X, X8 q+ g$ Z2 r# jC=t*k*sqrt(x'*E*x)/(t-k)-t*(u'-c)*x/(t-k)+t*R/(t-k);
& d: X$ W: D% J6 z, WCeq=[];
; P" Y1 w' X' z+ \' Oend) f3 @. W @/ R% D0 E% b4 y( r
1 C( `4 G# \6 l) h+ L
2 t9 O2 l" k. O; C; F运行结果:
% b, J4 S" b8 T/ sSolver stopped prematurely.4 t- J' y- _. X3 D
fmincon stopped because it exceeded the function evaluation limit,) d1 s" p1 N" `8 D5 ?. S5 l+ R8 W# b
options.MaxFunEvals = 500 (the default value).7 n6 ?& t' i& J
+ v5 [: D" I! J9 _, b9 S$ ~0 _x =3 [) E6 ~- R( U0 I# ?
-0.0175
; E4 S: ~8 T+ | 0.4875
& g, r( ?6 S8 z3 L -0.0175
! K; H) V0 r' b9 Q 0.3074$ u j% W) F) V+ Q$ b! E% [
0.2328
6 {# w! G4 P8 b& x. }, |- e- k `4 |8 F
fval =
. g; @! p8 O; k" | -0.0390" z7 c3 T# u; ]5 {. K0 @% a
/ r3 S- Q/ q! B* }. fexitflag =2 ~* `7 L0 z! p- Q0 f1 U
05 u# P" H$ ?! Y4 {
3 T# ~0 Q& ^7 {* i5 Z
output = & j' D3 ?! M$ `
iterations: 51. M9 f2 \5 o- Z, o/ z( h# I
funcCount: 505
5 t* l) A( y6 l1 p: o. j lssteplength: 0.1250
) K+ Y5 q/ z: a1 p$ b n2 H stepsize: 0.08128 X! H6 C6 _$ v! _- J# E, d m. A! [/ K
algorithm: 'medium-scale: SQP, Quasi-Newton, line-search'
+ J" | v2 a6 P5 k$ x& I) q firstorderopt: 2.4732
2 j) ?6 q7 u u constrviolation: 0.0509, J9 S7 R3 h+ j4 D) d' r8 |: U; X
message: [1x145 char]
7 l5 L, {' k$ {) O$ Y) q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
|