matlab 弗洛伊德,MATLAB弗洛伊德算法结果有疑惑，求大神解答

你的名字 2023-01-17 08:23 134阅读 0赞

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结果是92\*92矩阵，出现不止一个a，还有第一个结果没表示，就是矩阵

程序如下：

clear;clc;

n=92;a=zeros(n);

a(1,75)=67.80117993

a(1,78)=75.66372975

a(2,44)=76.83749085

a(3,45)=32.5

a(3,65)=47.03456176

a(4,39)=38.16084381

a(4,63)=16.37833935

a(5,49)=47.63402146

a(5,50)=52.32590181

a(6,59)=60.6052803

a(7,32)=53.53503526

a(7,47)=65.06919394

a(8,9)=21.02379604

a(8,47)=50.69516742

a(9,35)=9.486832981

a(10,34)=45.37895988

a(11,22)=65.4599114

a(11,26)=70.29224708

a(12,25)=121.4001647

a(14,21)=28.63564213

a(15,7)=63.63961031

a(15,31)=57.62811814

a(16,14)=15

a(16,38)=41.97618372

a(17,40)=98.81295462

a(17,42)=109.658561

a(17,81)=106.3014581

a(18,81)=92.84934033

a(18,83)=84.17244205

a(19,79)=66.60330322

a(20,86)=74.33034374

a(21,22)=45.22167622

a(22,13)=58.25804665

a(23,13)=60.20797289

a(24,13)=90.04998612

a(24,25)=106.8316433

a(25,11)=90.80198236

a(26,10)=62.24146528

a(26,27)=71.45103218

a(27,12)=111.7553131

a(28,15)=96.17692031

a(28,29)=124.5230902

a(29,30)=105.3090689

a(30,7)=69.52697318

a(30,48)=79.30952024

a(31,32)=46.22769733

a(31,34)=38.81043674

a(32,33)=37.01351105

a(33,8)=29.83286778

a(33,34)=27.18915225

a(34,9)=17.06604817

a(35,45)=3

a(36,16)=9.219544457

a(36,35)=3.605551275

a(36,37)=4.472135955

a(36,39)=38.05259518

a(37,7)=45.17742799

a(38,39)=55.90169944

a(38,41)=93.02284666

a(39,40)=69.33974329

a(40,2)=83.45058418

a(41,17)=115.6384452

a(41,92)=118.4409135

a(42,43)=101.2373449

a(43,2)=90.68627239

a(43,72)=98.31073187

a(44,3)=57.9676634

a(45,46)=6

a(46,8)=19.92485885

a(46,55)=18.97366596

a(47,5)=59.81638571

a(47,6)=67.17886572

a(47,48)=75.43208866

a(48,61)=84.14867795

a(49,50)=47.63402146

a(49,53)=36.61966685

a(50,51)=48.91829923

a(51,52)=41.23105626

a(51,59)=48.91829923

a(52,56)=32.80243893

a(53,52)=33.42154993

a(53,54)=22.13594362

a(54,55)=19.31320792

a(54,63)=17.4642492

a(55,3)=37.15171598

a(56,57)=27.93295545

a(57,4)=19.81161276

a(57,58)=35.78058133

a(57,60)=27.22590678

a(58,59)=47.63402146

a(60,62)=19

a(61,60)=62.93647591

a(62,4)=3.5

a(62,85)=48

a(63,64)=30.52867504

a(64,65)=42.80186912

a(64,76)=45.22167622

a(6566)=49.51767361

a(66,67)=55.31726674

a(66,76)=51.623638

a(67,44)=63.78087488

a(67,68)=61.55485359

a(68,69)=71.06335202

a(68,75)=60.87692502

a(69,1)=77.07788269

a(69,70)=79.93122043

a(69,71)=84.3860178

a(70,2)=83.45058418

a(70,43)=89.37561189

a(71,72)=95.58765611

a(71,74)=89.4552961

a(72,73)=98.31073187

a(73,18)=91.35097153

a(73,74)=92.35935253

a(74,1)=82.59691278

a(74,80)=81.30344396

a(75,76)=55.22680509

a(76,77)=53.75872022

a(77,19)=58.79625838

a(77,78)=65.80273551

a(78,79)=72.86288493

a(79,80)=72.13875519

a(80,18)=80.15609771

a(81,82)=95.8657916

a(82,83)=87.48857068

a(82,90)=88.15469358

a(83,84)=78.5684415

a(84,85)=71.50524456

a(85,20)=69.3108938

a(86,87)=86.68333173

a(86,88)=82.50606038

a(87,88)=90.94641279

a(87,92)=107.4476617

a(88,89)=83.17601818

a(88,91)=89.48323865

a(89,20)=75.07329752

a(89,84)=77.1038261

a(89,90)=81.34494453

a(90,91)=87.78382539

a(91,92)=106.212052

a=a+a\*;

a(a==0)=inf;

a(\[1:n+1:n^2\])=0;

path=zeros(n);

for k=1:n

for i=1:n

for j=1:n

if a(i,j)>a(i,k)+a(k,j)

a(i,j)=a(i,k)+a(k,j);

path(i,j)=k;

end

a,path

matlab 弗洛伊德,MATLAB弗洛伊德算法结果有疑惑，求大神解答

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