" q# o p U- dplot(gbest_x,gbest_y,'r.','markersize',20);axis([-2,2,-2,2])( G. z. M3 `2 S. i5 @ K$ [6 s
hold off; : D) O, R3 ]# c$ o `$ E; B7 Dsubplot(1,2,2);7 r0 S' Z" d. ?9 N$ e) j
axis([0,gen,-0.00005,0.00005]); & O$ \" A- `5 i. a4 L% M- T, |. a: P S' B
if exetime-1>0- k. l+ k! s6 e/ J5 B! v- q9 m% g6 M
line([exetime-1,exetime],[best_in_history(exetime-1),best_fitness]);. x8 s0 v" p' w2 K* F2 V+ H# R
hold on;5 p5 Q" U. p2 `; N* p& d( T0 V) D
end$ u* w( e5 Y3 @8 ^$ c$ A
7 ^( M" ~$ `, P( xfor i=1:popsize4 I4 D! P0 B+ k
pop(i,3)=rand()*pop(i,3)+c1*rand()*(pop(i,5)-pop(i,1))+c2*rand()*(gbest_x-pop(i,1));" P/ a3 o) l: [7 `
pop(i,4)=rand()*pop(i,4)+c1*rand()*(pop(i,6)-pop(i,2))+c2*rand()*(gbest_x-pop(i,2)); # o1 {' t+ \2 ?( H7 z: A. C! v6 C 5 s! ]9 [& N5 `! N0 J
if abs(pop(i,3))>max_velocity5 K, `% F) P' ?, ~3 I
if pop(i,3)>0. T/ P2 y. w/ U& |
pop(i,3)=max_velocity;* L8 [! X$ g Z/ d
else - P5 l t- Y6 }. ~2 R, |7 C4 n$ A1 u pop(i,3)=-max_velocity; & R* a& P! l" f1 X" i. d7 e end7 T, X1 k6 i, `* V+ o; J
end8 z7 L/ T n( o% X% v
if abs(pop(i,4))>max_velocity* v& a9 X$ m+ n7 x; E
if pop(i,4)>0 / \% \2 q6 {. a/ J5 T: i, ` pop(i,4)=max_velocity; ' b% K/ `) }* q9 ]5 n else : f7 a. n9 }( w; b e; `5 l pop(i,4)=-max_velocity;: `: I; G7 P' @. T; A$ M; U
end/ q) v0 S5 N% G/ P' }1 V+ m
end & g4 M2 ~% f. V: [+ J. Uend : g& m. \0 r, y0 g3 u h, M & N3 C2 W- E) ^4 N
for i=1:popsize9 h: r6 E7 i/ e' u) A& `
pop(i,1)=pop(i,1)+pop(i,3);* B2 [" y2 k3 n, F
pop(i,2)=pop(i,2)+pop(i,4);: Q7 j5 y8 c- }6 G
end" m2 i+ M4 M2 b$ x$ ]) j6 B% U6 `
) T8 Q4 u0 S0 G" w5 k) t
这是我的程序,但是运行结果老是出现:如下图( h. a) _, c: H- ^