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liqingzh金虫 (正式写手)
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[求助]
哪位大侠能帮我拟合找到 T，r, wp和C的值，非常感谢！ 已有1人参与
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已知曲线上的数据w和y： w= Columns 1 through 8 700.2091 700.7143 701.2195 701.7247 702.2300 702.7352 703.2404 703.7457 Columns 9 through 16 704.2509 704.7561 705.2613 705.7665 706.2718 706.7770 707.2822 707.7875 Columns 17 through 24 708.2927 708.7979 709.3032 709.8084 710.3136 710.8188 711.3240 711.8293 Columns 25 through 32 712.3345 712.8397 713.3450 713.8502 714.3554 714.8607 715.3658 715.8711 Columns 33 through 40 716.3763 716.8815 717.3868 717.8920 718.3972 718.9025 719.4076 719.9129 Columns 41 through 48 720.4181 720.9233 721.4286 721.9338 722.4390 722.9443 723.4495 723.9547 Columns 49 through 56 724.4599 724.9651 725.4704 725.9756 726.4808 726.9861 727.4913 727.9965 Columns 57 through 64 728.5018 729.0070 729.5122 730.0174 730.5226 731.0279 731.5331 732.0383 Columns 65 through 72 732.5436 733.0488 733.5540 734.0592 734.5644 735.0697 735.5749 736.0801 Columns 73 through 80 736.5854 737.0906 737.5958 738.1011 738.6063 739.1115 739.6167 740.1219 Columns 81 through 88 740.6272 741.1324 741.6376 742.1429 742.6481 743.1533 743.6585 744.1638 Columns 89 through 96 744.6690 745.1742 745.6794 746.1847 746.6899 747.1951 747.7004 748.2056 Columns 97 through 104 748.7108 749.2160 749.7213 750.2265 750.7317 751.2369 751.7422 752.2474 Columns 105 through 112 752.7526 753.2578 753.7631 754.2683 754.7735 755.2787 755.7840 756.2892 Columns 113 through 120 756.7944 757.2996 757.8049 758.3101 758.8153 759.3206 759.8258 760.3310 Columns 121 through 128 760.8362 761.3415 761.8467 762.3519 762.8571 763.3624 763.8676 764.3728 Columns 129 through 136 764.8781 765.3833 765.8885 766.3937 766.8989 767.4042 767.9094 768.4146 Columns 137 through 144 768.9199 769.4251 769.9303 770.4356 770.9408 771.4460 771.9512 772.4564 Columns 145 through 152 772.9617 773.4669 773.9721 774.4774 774.9826 775.4878 775.9930 776.4982 Columns 153 through 160 777.0035 777.5087 778.0139 778.5192 779.0244 779.5296 780.0349 780.5401 Columns 161 through 168 781.0453 781.5505 782.0557 782.5610 783.0662 783.5714 784.0767 784.5819 Columns 169 through 176 785.0871 785.5924 786.0975 786.6028 787.1080 787.6132 788.1185 788.6237 Columns 177 through 184 789.1289 789.6342 790.1393 790.6446 791.1498 791.6550 792.1603 792.6655 Columns 185 through 192 793.1707 793.6760 794.1812 794.6864 795.1916 795.6968 796.2021 796.7073 Columns 193 through 199 797.2125 797.7178 798.2230 798.7282 799.2335 799.7387 800.2439; y= Columns 1 through 8 0.8755 0.8792 0.8773 0.8846 0.8740 0.8721 0.8744 0.8697 Columns 9 through 16 0.8650 0.8730 0.8606 0.8648 0.8639 0.8512 0.8436 0.8626 Columns 17 through 24 0.8787 0.8768 0.8710 0.8735 0.8856 0.8725 0.8730 0.8743 Columns 25 through 32 0.8651 0.8499 0.8383 0.8466 0.8711 0.8549 0.8422 0.8573 Columns 33 through 40 0.8632 0.8665 0.8645 0.8517 0.8468 0.8506 0.8378 0.8567 Columns 41 through 48 0.8657 0.8665 0.8644 0.8645 0.8509 0.8759 0.8548 0.8463 Columns 49 through 56 0.8530 0.8608 0.9095 0.9064 0.8916 0.8813 0.8892 0.9129 Columns 57 through 64 0.8819 0.9048 0.9047 0.9082 0.9240 0.9348 0.9627 0.9587 Columns 65 through 72 0.9704 0.9787 0.9709 0.9610 0.9874 0.9928 0.9743 0.9804 Columns 73 through 80 1.0031 0.9411 0.9704 0.9586 0.9401 0.9264 0.9176 0.9092 Columns 81 through 88 0.8945 0.8755 0.8626 0.8537 0.8444 0.8374 0.8343 0.8225 Columns 89 through 96 0.8147 0.8113 0.8063 0.7923 0.7873 0.7717 0.7622 0.7599 Columns 97 through 104 0.7576 0.7498 0.7627 0.7442 0.7474 0.7588 0.7433 0.7123 Columns 105 through 112 0.7172 0.7231 0.7221 0.7195 0.7168 0.6867 0.6944 0.7083 Columns 113 through 120 0.7099 0.7003 0.6943 0.7138 0.7105 0.6987 0.6920 0.6918 Columns 121 through 128 0.6916 0.6811 0.6818 0.6859 0.6695 0.6622 0.6854 0.6900 Columns 129 through 136 0.6678 0.6574 0.6623 0.6659 0.6616 0.6753 0.6725 0.6578 Columns 137 through 144 0.6649 0.6793 0.6737 0.6357 0.6472 0.6480 0.6538 0.6578 Columns 145 through 152 0.6579 0.6637 0.6514 0.6635 0.6723 0.6640 0.6482 0.6516 Columns 153 through 160 0.6699 0.6684 0.6509 0.6486 0.6591 0.6583 0.6724 0.6745 Columns 161 through 168 0.6642 0.6578 0.6542 0.6464 0.6461 0.6532 0.6583 0.6656 Columns 169 through 176 0.6632 0.6500 0.6590 0.6522 0.6628 0.6450 0.6313 0.6422 Columns 177 through 184 0.6450 0.6474 0.6470 0.6577 0.6563 0.6417 0.6382 0.6456 Columns 185 through 192 0.6363 0.6493 0.6503 0.6377 0.6333 0.6438 0.6512 0.6382 Columns 193 through 199 0.6325 0.6406 0.6508 0.6420 0.6141 0.6253 0.6380; 要拟合的函数： y=(((256136*T*w)/((w^2 - 284089)^2 + T^2*w^2) + (r*wp^2)/(w*(r^2 + w^2)))*((80706559921*(wp^2*(256136*r - T*(2*w^2 - wp^2)) + T*w^2*(r^2 + w^2))*C^2)/(256136*r*wp^2*((w^2 - 284089)^2 + T^2*w^2) + 65605650496*T*w^2*(r^2 + w^2)) - (568178*(T*w^2*(r^2 + w^2 - wp^2) + r*wp^2*(w^2 - 284089))*C)/(r*wp^2*((w^2 - 284089)^2 + T^2*w^2) + 256136*T*w^2*(r^2 + w^2)) + 1))/((107*((256136*T*w)/((w^2 - 284089)^2 + T^2*w^2) + (r*wp^2)/(w*(r^2 + w^2)))^2)/20 + (107*((256136*w^2 - 72765420104)/((w^2 - 284089)^2 + T^2*w^2) + wp^2/(r^2 + w^2) - 1)^2)/20); 通过拟合， 求常数T，r, wp, C。 |
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2楼2016-05-03 21:29:51
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