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ydl359木蟲 (小有名氣)
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[求助]
1stOpt 4.0 復(fù)數(shù)擬合,感激不盡
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Title "復(fù)數(shù)擬合"; ComplexStr=i; Parameter a,b,c; Variable w,z[realPart],z[imagPart]; Function z=Sqrt[a*b/(1 + i*b*c*w)]*Coth[Sqrt[a/b*(1 + i*b*c*w)]]; Data; 628318.53072 13.513 0.49932 499092.25851 13.451 0.44048 396437.57696 13.414 0.42768 314900.68123 13.407 0.43631 250139.89026 13.415 0.45154 198693.16897 13.431 0.49269 157827.33173 13.45 0.54331 125368.39643 13.462 0.60372 99582.20393 13.494 0.70649 79099.01983 13.521 0.82926 62831.85307 13.55 0.9899 49909.85417 13.581 1.1981 39644.38601 13.614 1.4565 31490.69644 13.652 1.7844 25013.98903 13.695 2.1935 19869.3169 13.746 2.7038 15782.73317 13.806 3.3398 12536.83964 13.875 4.1328 9958.22039 13.955 5.1194 7909.90198 14.046 6.3505 6283.18531 14.15 7.889 4990.92259 14.272 9.8133 3964.4386 14.418 12.219 3149.00681 14.59 15.225 2501.3989 14.807 18.99 1986.86886 15.074 23.7 1578.27332 15.393 29.568 1253.68396 15.788 36.91 995.82204 16.292 46.094 790.9902 16.924 57.642 628.31853 17.726 72.006 499.08598 18.699 89.795 396.43758 19.996 112.17 314.90696 21.658 140.1 250.13989 23.85 175.4 198.69317 26.642 219.06 157.82733 30.251 273.52 125.36211 34.864 341.46 99.5822 40.939 426.13 79.09902 48.727 532.57 62.83185 59.629 664.08 49.90985 73.127 827.3 39.64439 90.688 1032 31.4907 112.65 1283.1 25.01399 144.75 1601.4 19.86932 185.87 1989.6 15.78273 251.61 2491.7 12.53621 320.86 3084.2 9.95822 497.99 3830 7.9099 459.33 4732.4 6.28319 711.7 5864.3 4.99092 998.24 7211.8 3.96438 1277.2 8837.6 3.14901 1604 10833 2.5014 1969.4 13281 1.98693 2368.3 16340 1.57827 2801.6 20112 1.25368 3295.6 24829 0.99582 3862.4 30747 0.79099 4563.2 38139 0.62832 5461.1 47492 |

鐵桿木蟲 (職業(yè)作家)
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實(shí)部擬合效果很好,但虛部太差,不知公式、參數(shù)是否正確? 均方差(RMSE):7279.40258020686 殘差平方和(SSE):6464743634.81611 相關(guān)系數(shù)(R): 0.124057689695011 相關(guān)系數(shù)之平方(R^2): 0.0153903103724635 確定系數(shù)(DC): 0.0153899174305932 F統(tǒng)計(jì)(F-Statistic): 15003.1247613546 參數(shù) 最佳估算 -------------------- ------------- a -0.0109849612490104 b -2.69214632455991E-6 c 2.42055079171987 ====== 結(jié)果輸出 ====== 文件: 數(shù)據(jù)文件-1 No 目標(biāo) z.實(shí)部 計(jì)算 z.實(shí)部 目標(biāo) z.虛部 計(jì)算 z.虛部 1 13.513 0.0356689593135142 0.49932 0.785414369189997 2 13.451 0.0400211861187077 0.44048 0.785418565236162 3 13.414 0.0449048206257602 0.42768 0.7854238481467 4 13.407 0.0503841077660327 0.43631 0.785430498671266 5 13.415 0.0565312898292915 0.45154 0.785438870218476 6 13.431 1.36714136007177 0.49269 0.795664745760136 7 13.45 1.53386457040019 0.54331 0.79832198414044 8 13.462 1.72084471191504 0.60372 0.801665952025729 9 13.494 1.93053494090615 0.70649 0.805874170110302 10 13.521 2.16559170572407 0.82926 0.811168137588686 11 13.55 2.42886739389614 0.9899 0.817823208773165 12 13.581 2.72354304066448 1.1981 0.826184882804925 13 13.614 3.05292197113029 1.4565 0.836679769148213 14 13.652 3.42020221613916 1.7844 0.849826155285781 15 13.695 3.82831699123151 2.1935 0.866247885150891 16 13.746 4.2793149721464 2.7038 0.886670434268809 17 13.806 4.77347615430232 3.3398 0.911895357892649 18 13.875 5.30792299363982 4.1328 0.942726915394628 19 13.955 5.8750140090942 5.1194 0.979839423793372 20 14.046 6.4602221317115 6.3505 1.02352419302659 21 14.15 7.0413518338315 7.889 1.07337887683596 22 14.272 7.59075625857974 9.8133 1.12807628471289 23 14.418 8.08030600808235 12.219 1.18530225781313 24 14.59 8.48933388357989 15.225 1.24215928253152 25 14.807 8.81055677097844 18.99 1.29581929257704 26 15.074 9.05365814480874 23.7 1.34420938362881 27 15.393 9.24931178204883 29.568 1.38620898382461 28 15.788 9.45764157007064 36.91 1.42164620767898 29 16.292 9.77153239388054 46.094 1.45096453458507 30 16.924 10.3076221493929 57.642 1.47493382966076 31 17.726 11.1903906986464 72.006 1.49441434547898 32 18.699 12.5435685135138 89.795 1.51022469228086 33 19.996 14.4916713160918 112.17 1.52306319994338 34 21.658 17.1708551186778 140.1 1.53351816565823 35 23.85 20.7429678030503 175.4 1.54208357282855 36 26.642 25.4084179325746 219.06 1.54917382391442 37 30.251 31.4211341526126 273.52 1.55514202772419 38 34.864 39.1053956453268 341.46 1.56029289218908 39 40.939 48.8676533216876 426.13 1.56489094570596 40 48.727 61.2338707867695 532.57 1.56917983101025 41 59.629 76.857002512684 664.08 1.5733838283955 42 73.127 96.570787221695 827.3 1.57772660197105 43 90.688 121.425882759483 1032 1.58243913552036 44 112.65 152.738673142229 1283.1 1.58777104766962 45 144.75 192.170387704453 1601.4 1.5940056906345 46 185.87 241.806539657822 1989.6 1.60147371688819 47 251.61 304.261516838511 2491.7 1.61057016062022 48 320.86 382.815689846184 3084.2 1.62177588391415 49 497.99 481.494563431372 3830 1.63567108184733 50 459.33 605.37920544536 4732.4 1.65298254618395 51 711.7 760.5545360093 5864.3 1.6745823697408 52 998.24 954.425804100509 7211.8 1.70154357564582 53 1277.2 1195.56590427411 8837.6 1.73513998135564 54 1604 1493.40647000415 10833 1.77684196072595 55 1969.4 1857.35773420099 13281 1.82826138208445 56 2368.3 2295.05632774328 16340 1.89101595648902 57 2801.6 2808.93981275384 20112 1.96639850674344 58 3295.6 3391.83263151925 24829 2.05489906761884 59 3862.4 4022.7264164218 30747 2.15561092343755 60 4563.2 4665.46852125996 38139 2.26567769030582 61 5461.1 5274.79837937407 47492 2.380309732857 |
銅蟲 (著名寫手)
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