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发表于 2011-2-10 14:27:27
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显示全部楼层
来自 山东淄博
应该有好多解吧?
以下是多次运行Forcal代码的结果:
- !using["fcopt","math","sys"];
- init(::Array,max)=
- {
- max=67,
- Array=arrayinitns{max,4 :
- "21931.951 117563.229 2496657.820 508202.617
- 14819.722 99053.090 2489230.549 489816.816
- 49990.336 87182.164 2524192.968 477347.032
- 41838.752 140307.803 2516950.004 530603.673
- 20258.393 157719.614 2495670.370 548381.370
- 26548.263 106139.151 2501078.300 496701.464
- 31825.976 104925.249 2506334.463 495397.608
- 34434.524 99218.909 2508845.145 489647.599
- 25467.204 92605.317 2499766.259 483188.188
- 27506.217 96237.631 2501866.993 486785.114
- 34602.641 90096.720 2508857.436 480523.951
- 35575.694 94853.603 2509911.583 485263.479
- 37645.160 103099.408 2512121.563 493472.662
- 42774.324 112412.213 2517408.989 502696.422
- 43210.824 101659.490 2517661.770 491937.908
- 38334.616 107930.793 2512893.428 498291.523
- 41648.750 110013.427 2516242.619 500317.231
- 37351.833 114320.444 2512019.929 504696.970
- 40794.893 96636.575 2515160.425 486957.034
- 49291.723 91964.693 2523576.146 482140.754
- 45833.955 90167.433 2520088.218 480402.828
- 51036.764 98679.130 2525435.597 488824.347
- 45881.631 93853.881 2520198.849 484087.891
- 46285.362 99141.362 2520692.825 489367.657
- 48495.045 104124.991 2522987.283 494312.776
- 45695.851 85121.477 2519863.953 475360.012
- 40277.662 89711.063 2514524.991 480041.427
- 30775.459 120254.569 2505545.925 510742.498
- 44993.803 113077.243 2519639.483 503323.441
- 36779.076 124432.038 2511619.961 514816.782
- 38004.330 129249.125 2512927.299 519612.196
- 32964.556 129215.303 2507887.728 519664.456
- 49187.733 132799.223 2524169.605 522970.739
- 44064.522 135740.635 2519097.424 525999.197
- 40758.132 131890.827 2515725.794 522206.456
- 34494.553 134958.674 2509515.582 525380.806
- 23122.600 107379.121 2497674.346 497999.750
- 15908.879 114823.693 2490588.890 505566.376
- 25487.773 111230.576 2500104.933 501810.213
- 20092.921 118566.578 2494836.212 509237.221
- 33843.010 153045.304 2509173.049 543475.765
- 37632.144 154282.492 2512982.726 544648.045
- 27803.508 164725.056 2503333.966 555256.861
- 28149.018 158645.975 2503575.595 549172.820
- 20917.019 163613.134 2496429.552 554262.728
- 16044.041 169303.661 2491654.520 560035.602
- 12870.303 166434.768 2488432.274 557221.359
- 36296.931 145677.097 2511500.745 536066.787
- 28779.827 153445.273 2504117.482 543962.149
- 27098.110 153300.973 2502433.560 543846.594
- 24261.566 159486.729 2499703.105 550079.839
- 30516.857 144860.079 2505707.612 535348.616
- 18275.734 160873.067 2493741.878 551568.196
- 9857.462 161992.356 2485344.025 552831.093
- 13399.860 161233.489 2488872.914 552011.841
- 34456.507 140344.377 2509569.526 530766.325
- 44540.518 144398.723 2519721.222 534647.814
- 49314.448 144872.132 2524502.498 535039.614
- 39505.030 149609.090 2514775.504 539943.379
- 47828.309 139148.110 2522918.827 529341.861
- 27183.099 126133.035 2502054.522 516681.409
- 19595.538 123807.305 2494428.414 514485.631
- 23394.983 131399.060 2498356.934 522011.318
- 27555.024 144141.015 2502733.956 534680.249
- 24306.484 139503.599 2499406.715 530099.036
- 31487.943 136831.141 2506541.417 527304.336
- 25987.014 117614.073 2500713.124 508184.195"
- }.free()
- };
- f(ix, iy, k, a :i,s,xs,ys,x3,y3:Array,max)=
- {
- s=0,i=0,(i<max).while{
- Array.GA[i*4, &xs,&ys,&x3,&y3],
- s=s+[ ix+k*cos(a)*xs+k*sin(a)*ys-x3]^2+[ iy-k*sin(a)*xs+k*cos(a)*ys-y3]^2,
- i++
- },
- sqrt[s/max]
- };
- Opt[HFor("f")];
复制代码
结果:
2472721.346717395 391032.1723404035 0.9999910687332905 -12.54929016927396 7.908568261468204e-004
2472721.346717022 391032.172339913 0.9999910687382372 -106.7970697769665 7.908567985651832e-004
2472721.346717131 391032.1723400778 0.9999910687370118 1.7080445085375e-002 7.908567901771496e-004
2472721.346717442 391032.1723402201 0.9999910687353089 -6.266104862095189 7.908568057345164e-004 |
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