ff.txt

用最大主元法求矩阵的逆

     1        1.054      -95.743      -96.519      -96.714
     2       -0.477       68.830      -87.167       68.861
     3       99.672      -29.022        5.627      -29.898
     4       98.150      -66.757       12.547      -67.528
     5       46.502      -62.337      -42.293      -63.086
     6       97.551      -30.039        3.539      -30.923
     7       -7.007       85.367      -93.421       85.581
     8      100.532      -93.897       14.029      -94.625
     9        9.024      -78.698      -83.664      -79.521
    10       15.294       78.327      -70.234       78.253
    11        9.108      -61.738      -79.445      -62.442
    12       75.163      -45.467      -18.292      -46.302
    13       47.099      -96.258      -50.054      -97.171
    14        2.069      -19.769      -88.538      -20.286
    15       16.063     -101.512      -80.316      -102.494
    16       43.193       96.390      -41.834       96.123
    17       76.860       81.466       -8.411       80.814
    18       49.218      -86.590      -45.889      -87.483
    19       66.428       78.412      -19.013       77.852
    20        0.455       72.477      -86.309       72.530
    21       89.580       68.322        3.815       67.538
    22       41.836       91.217      -43.217       90.954
    23       38.357       19.058      -48.771       18.550
    24       -4.204      -53.682      -92.058      -54.330
    25       -0.732       81.296      -86.985       81.413
    26       54.726      -53.774      -36.209      -54.568
    27        4.614      -53.852      -83.474      -54.511
    28       87.289      -28.765       -7.238      -29.632
    29       53.116      105.296      -31.744      104.953
    30       23.434       28.893      -64.287       28.515
    31       20.385      -70.728      -70.811      -71.522
    32       -6.073       56.960      -93.783       56.974
    33       23.943       58.399      -61.533       58.165
    34       98.911      -48.864        9.120      -49.714
    35       -3.275       57.468      -90.683       57.467
    36       -5.649       52.975      -92.519       52.945
    37        6.394      -60.297      -82.180      -61.007
    38       79.322      -69.466       -8.516      -70.259
    39       -9.376      -77.933     -102.898      -78.775
    40       46.922       62.554      -38.720       62.144
    41        6.051       93.762      -80.728       93.886
    42       19.281      -21.127      -71.754      -21.720
    43       48.024       63.571      -37.620       63.142
    44       47.685      -23.843      -47.199      -24.568
    45       18.007       64.335      -67.485       64.184
    46       17.838       93.422      -67.638       93.424
    47       76.686      -15.452      -19.462      -16.275
    48      -15.823       50.093     -103.627       50.148
    49       98.578      -82.277       12.604      -83.024
    50       85.090      100.550        0.124       99.842
    51       82.375       98.938       -2.607       98.252
    52       12.073       13.549      -74.202       13.183
    53        4.190      -61.060      -84.417      -61.754
    54        5.038      -61.568      -83.532      -62.273
    55      104.680       79.942       18.976       79.022
    56      -14.379      -38.081     -104.368      -38.638
    57       93.321      -92.792        6.820      -93.551
    58       47.602      -40.545      -44.560      -41.283
    59       20.381       66.794      -65.101       66.622
    60       31.236      -31.980      -60.921      -32.650
    61        2.575       82.229      -83.438       82.309
    62       23.435       99.613      -62.193       99.575
    63       32.088      -83.704      -61.821      -84.584
    64       94.924       69.170        9.165       68.330
    65      -19.214       33.136     -106.888       33.096
    66       95.938       10.746        6.094        9.876
    67       75.415      -28.255      -18.505      -29.074
    68       93.903      -12.995       -1.812      -13.896
    69       98.737       14.816        9.635       13.935
    70       33.107      -99.054      -63.180      -99.969
    71       50.145      -31.813      -42.596      -32.551
    72        4.016       81.720      -82.077       81.801
    73       45.567      -42.410      -46.619      -43.176
    74       55.316       32.114      -31.049       31.528
    75       25.384       76.631      -59.916       76.470
    76       65.835      -52.673      -25.191      -53.475
    77       51.926      -31.643      -40.853      -32.388
    78       27.504       64.844      -57.816       64.607
    79       48.618       66.539      -36.748       66.104
    80        0.372       23.384      -86.343       23.160
    81       65.832      -20.199      -29.852      -20.984
    82       -8.023       53.992      -95.064       54.015
    83       23.522      -54.702      -65.019      -55.398
    84      -14.129       68.916     -103.757       69.075
    85       91.955       66.796        6.180       65.979
    86      106.965      -11.725       11.193      -12.681
    87       53.198       80.616      -31.870       80.180
    88       55.065       95.543      -29.851       95.128
    89       70.072      -19.606      -25.615      -20.405
    90       -9.382      100.548      -95.723      100.909
    91       78.565     -103.730      -14.657     -104.565
    92       59.303      -32.831      -34.017      -33.598
    93       88.394       76.209        2.839       75.411
    94       68.381       97.749      -16.465       97.222
    95       35.815       84.263      -49.306       84.028
    96       42.514       90.708      -42.526       90.424
    97      101.716      -81.175       15.720      -81.912
    98       93.058      -50.643        3.014      -51.465
    99       -2.256       23.978      -88.965       23.754
   100       69.993      -73.874      -22.151      -74.705
   101       62.099       15.496      -26.453       14.835
   102       69.987       53.481      -15.788       52.842
   103       27.505      -32.488      -64.691      -33.156
   104       13.768       47.208      -72.083       47.004
   105       40.393       73.493      -45.006       73.180
   106       -9.292      -76.152     -102.284      -76.968
   107       16.481       77.224      -69.053       77.139
   108       -1.493       23.554      -88.203       23.325
   109       75.245      -16.215      -20.882      -17.043
   110       45.742      -91.084      -50.194      -91.967
   111      -12.345       -9.848     -103.757      -10.243
   112       -7.177      100.208      -93.423      100.550
   113       -2.681       46.276      -89.687       46.203
   114      105.191       89.018       19.844       88.089
   115       66.766      -31.984      -26.659      -32.778
   116      -12.430      -11.035     -103.779      -11.441
   117        4.779       93.168      -82.409       93.318
   118       66.765       59.841      -19.011       59.218
   119       19.110       91.302      -66.317       91.278
   120       60.743       40.423      -25.516       39.847
   121       44.293       42.119      -41.585       41.634
   122       63.799       79.090      -21.538       78.563
   123      -13.026       68.323     -102.398       68.459
   124      -11.328        8.888     -100.744        8.613
   125       31.328     -110.250      -62.329     -111.173
   126       70.586      101.481      -14.263      100.918
   127       37.427      -43.596      -53.077      -44.305
   128       94.667       44.917        8.547       44.061
   129       75.413       14.647      -13.254       13.887
   130       40.481      -64.201      -48.390      -64.946
   131       49.472      -86.336      -45.586      -87.200
   132        2.663      -45.967      -87.080      -46.622
   133       91.022      -47.760        0.799      -48.589
   134       57.184       82.567      -27.866       82.096
   135       96.957      -29.445        2.939      -30.314
   136       92.974      -55.901        5.575      -56.693
   137       93.821       70.357        8.066       69.521
   138       82.034       84.604       -3.163       83.895
   139       23.437      -59.535      -65.122      -60.265
   140       82.707       22.447       -4.648       21.686
   141       82.623      -10.705      -13.529      -11.548
   142       44.971       42.119      -40.810       41.646
   143       27.930      -48.089      -62.397      -48.801
   144       64.570      -97.873      -32.747      -98.757
   145       97.726      -65.315       11.862      -66.114
   146       -8.788      101.396      -95.101      101.753
   147       26.997      -41.730      -63.374      -42.428
  1157        0.710       69.000      -85.980       69.037
  2157        0.288       -6.034      -90.513       -6.423
  6157        0.036      -78.019      -92.904      -78.846
  2156       93.394      -14.352       -2.248      -15.171