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标题: ,程序出错,求最短路径问题····· [打印本页]

作者: X.w.j.拽.    时间: 2012-8-31 20:31
标题: ,程序出错,求最短路径问题·····
a=zeros(53,53);3 d5 ^4 G" s* Y: q! [
a(36,35)=8.2;a(36,33)=14.9;a(35,38)=17.6;a(35,37)=11.5;a(38,39)=11;
9 _2 X* L5 i$ ]6 |; k/ Z. Y! Xa(38,2)=5.9;a(38,37)=12.2;a(37,34)=7.4;a(37,53)=8.8;a(34,32)=7.3;
* S5 [, c; X: l; x" W4 sa(32,33)=8.1;a(32,53)=9.2;a(53,30)=7.9;a(53,1)=12.9;a(33,31)=10.3;) }) ?8 P7 {$ B6 ^9 F9 o
a(31,52)=7.7;a(52,30)=7.2;a(52,29)=8.3;a(30,51)=15.2;a(1,2)=6;
9 M" S( I" ?' g% E. Qa(1,39)=11.5;a(1,51)=10.1;a(1,49)=19.8;a(1,3)=9.2;a(39,4)=7.9;a(4,3)=4.8;& \$ v6 H; j; a6 k; s. G% j% O+ W9 z5 D
a(4,40)=8.2;a(40,5)=12.7;a(40,6)=11.3;a(3,6)=8.3;$ m' {4 i, B' ~
a(6,49)=11.4;a(6,7)=9.7;a(40,8)=15.1;a(51,29)=12.1;a(51,27)=10.5;8 v/ I$ L2 g8 Q6 u5 ^( |4 o$ b
a(27,28)=7.8;a(29,28)=7.9;a(28,25)=18.8;a(27,50)=10.5;a(50,25)=13.2;% n  C# n& U8 Z6 ]
a(50,24)=7.9;a(50,26)=8.8;a(50,49)=14.2;a(49,7)=9.5;a(49,26)=12;
. K0 {; H% [4 |a(26,22)=7.8;a(26,21)=6.5;a(7,48)=11.8;a(7,8)=7.3;a(8,48)=14.5;7 j2 ~4 S! X( l1 O
a(8,41)=7.2;a(41,9)=8;
" @5 K! Y1 Z) r! }! J( Ca(9,5)=20.4;a(41,12)=14.2;a(41,10)=7.8;a(10,42)=5.6;a(42,11)=10.8;
1 |7 Z& b' K$ c$ Ja(42,13)=12.2;a(43,13)=7.8;a(43,12)=6.8;+ O+ c6 _$ F3 `+ _& N
a(43,14)=8.6;a(46,12)=13.2;a(46,14)=9.8;a(46,45)=15.8;a(46,19)=8.2;" G0 n! e! \0 K! L
a(46,20)=8.1;a(48,20)=7.2;a(48,21)=5.5;a(21,22)=7.9;a(21,20)=9.3;
2 o0 s! V) D& h7 W  k9 }a(47,22)=4.1;a(47,23)=10.1;a(47,18)=9.8;a(47,19)=9.2;a(22,24)=9.1;
4 e+ a& H/ X0 v( |( n+ La(24,25)=8.9;a(24,23)=10;a(23,18)=6.7;  j! E5 r  P9 m+ j
a(18,17)=6.8;a(45,17)=11.8;9 V' p, P' L$ e+ w0 i$ a/ \; v
a(45,19)=8.2;a(45,16)=8.8;a(16,15)=15;a(44,15)=9.9;a(44,13)=10.2;a(15,14)=8.6;a(39,2)=11.2;a(34,33)=19;a(34,36)=20.3;
! U3 a4 [7 x+ l6 t5 \, D9 ra=a+a';
+ Y4 `6 h8 R5 T  w5 v8 ~( P1 Ga(find(a==0))=inf;' v; @" A  c5 z6 s* K1 w& Z" Y* _
pb(1:length(a))=0;pb(1)=1;index1=1;index2=ones(1,length(a));
# n2 c2 ^# [1 d8 R9 yd(1:length(a))=inf;d(1)=0;temp=1;' q6 o8 w: P- a& S/ M. v" L$ k
while sum(pb)<length(a)& p3 G" ?# u! {7 M6 }' a3 F
     tb=find(pb==0);# |9 Z: G& n% F4 g3 ~4 Z
d(tb)=min(d(tb),d(temp)+a(temp,tb));
% q: a; t" m# y5 M* L6 J- Jtmpb=find(d(tb)==min(d(tb)));& R. Q4 X4 w- D2 O% T% T& E" I
temp=tb(tmpb(1));5 Z# m" J- W8 u0 u6 A8 H$ ^
pb(temp)=1;
5 H; d/ Q. ~: c1 k2 A1 sindex1=[index1,temp];
0 g( a3 j- t+ F* ^' Ptemp2=find(d(index1)==d(temp)-a(temp,index1));
5 f& c! L0 T9 t' \: ~index2(temp)=index1(temp2(1));) A- h) V; o4 U7 U1 g. K
end
7 Q& r4 C( r$ P" f2 Bd,index1,index2# F: Q8 o# W3 A3 |' f
??? Index exceeds matrix dimensions.
: r+ v5 x! U2 p. u, `. z哪里有问题啊




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