本人参加电工杯帮忙改改程序吧

原來是時差

X=[0.6261 0.0362 0.0108 0.0721 0.068 0.101 0.147 25020 300 5.21 845.2 137.76 16.9 541 279 12357 1074705 16.3 539.3 3.9 338.5 891191 3.7 538.7 928475 7.7 169.4 37284 18.4 276.4 1074785 2.00 0.1 13.05 20
    0.6220 0.0358 0.0106 0.0719 0.065 0.106 0.150 25103 300 5.16 847.3 137.46 15.6 549 261 12500 1075300 15.6 540.0 3.6 336.4 891211 3.4 538.0 928368 7.4 168.1 37261 17.5 273.9 1074685 2.00 0.09 12.98 19.4
    0.6300 0.0368 0.0102 0.0709 0.070 0.100 0.144 26193 300 5.28 844.1 136.49 17.1 539 281 12310 1074309 16.9 538.4 4.0 339.3 891200 3.9 539.0 928499 7.9 170.2 37300 19.1 277.9 1074195 1.90 0.11 13.15 20.9
    0.6291 0.0351 0.0110 0.0728 0.071 0.109 0.139 24899 300 5.19 842.9 138.95 17.2 531 276 12369 1074901 16.0 541.1 4.3 337.1 891100 3.6 537.0 928400 8.0 167.0 38199 18.0 278.9 1074520 2.30 0.15 12.78 19.1
    0.7000 0.0410 0.0109 0.0699 0.061 0.181 0.153 25100 300 5.32 848.2 135.55 15.1 544 285 12400 1075000 14.9 531.9 3.4 331.6 892001 4.0 541.9 928512 8.4 172.1 37301 16.4 271.3 1075011 1.40 0.07 14.00 22.1];
stdr=std(X);
[n,m]=size(X);
sddata=X./stdr(ones(n,1),:);
[p,princ,egenvalue]=princomp(sddata);
p3=p(:,1:3);
??? Error using ==> svd
Input to SVD must not contain NaN or Inf.

Error in ==> princomp at 69
[U,sigma,coeff] = svd(x0,econFlag); % put in 1/sqrt(n-1) later

实在不行了！根本运行不出来，我用的是matlab7.8版本的！跪求！！！

sleepstealer

沙发。。。。。楼主自己改吧。。。