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ppyu1990鐵蟲 (初入文壇)
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[求助]
1stopt中使用sharedmodel擬合曲線出現(xiàn)問題,求指示。 已有1人參與
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用1stopt擬合兩個公式,得到兩個參數(shù)的值,要使用sharedmodel,但是調(diào)試的時候總是出現(xiàn)“在*行尾丟失“;” ” ,如果去掉sharedmodel, 可以擬合,但是卻是分開擬合的,下面是我的程序:求大仙們指導(dǎo)。。。。急。! Parameters rb,cb; Variable f,imag_y11,real_y11; sharedmodel; Function real_y11=(2*pi*f*cb)^2*rb/(1+(2*pi*f*cb*rb)^2); imag_y11=2*pi*f*cb/(1+(2*pi*f*cb*rb)^2); //Function y21=-(rj+rs-(w*cj*rj)^2*rs)/((rj+rs)^2+(w*cj*rj*rs)^2)-(w*cp)^2*rp/(1+(w*cp*rp)^2); Data ; //Frequency Re(Y11+Y12) Im(Y11+Y12) 2.00E+08 7.46432E-10 5.26100E-09 4.00E+08 1.96568E-09 9.20300E-09 6.00E+08 2.5338E-09 1.21900E-08 8.00E+08 2.2786E-09 1.48600E-08 1.00E+09 1.3413E-09 1.75100E-08 1.20E+09 -1.434E-10 2.02500E-08 1.40E+09 -2.0885E-09 2.31100E-08 1.60E+09 -4.4413E-09 2.60800E-08 1.80E+09 -7.166E-09 2.92000E-08 2.00E+09 -1.0241E-08 3.24600E-08 2.00E+09 -1.0241E-08 3.24600E-08 4.00E+09 -5.7333E-08 7.37800E-08 6.00E+09 -1.2736E-07 1.34100E-07 8.00E+09 -2.1196E-07 2.15100E-07 1.00E+10 -3.0437E-07 3.16100E-07 1.20E+10 -3.9972E-07 4.34800E-07 1.40E+10 -4.9492E-07 5.68200E-07 1.60E+10 -5.8831E-07 7.13400E-07 1.80E+10 -6.7923E-07 8.68000E-07 2.00E+10 -7.6754E-07 1.03010E-06 2.20E+10 -8.5348E-07 1.19810E-06 2.40E+10 -9.3738E-07 1.37110E-06 2.60E+10 -1.0196E-06 1.54820E-06 2.80E+10 -1.1005E-06 1.72900E-06 3.00E+10 -1.1804E-06 1.91310E-06 3.20E+10 -1.2593E-06 2.10020E-06 3.40E+10 -1.3376E-06 2.29020E-06 3.60E+10 -1.4153E-06 2.48280E-06 3.80E+10 -1.4928E-06 2.67810E-06 4.00E+10 -1.5697E-06 2.87570E-06 |
鐵桿木蟲 (職業(yè)作家)
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這是我算的結(jié)果: 均方差(RMSE): 3.31205627676652E-7 殘差平方和(SSE): 6.5818300682811E-12 相關(guān)系數(shù)(R): 0.94711198828126 相關(guān)系數(shù)之平方(R^2): 0.897021118346082 決定系數(shù)(DC): 0.897021118346082 F統(tǒng)計(F-Statistic): 59.568839320224 參數(shù) 最佳估算 -------------------- ------------- rb 378815.20248439 cb -1.79803653013962E-17 估計是你的版本問題吧。樓主是進行復(fù)數(shù)擬合吧,1stOpt新版本支持復(fù)數(shù)直接擬合,不用手動將公式分離成實部和虛部了。 |
鐵蟲 (初入文壇)
鐵桿木蟲 (職業(yè)作家)
銀蟲 (小有名氣)
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數(shù)據(jù)x y 550 .9289575 552.4457 .9243243 554.8914 .9289575 557.337 .9289575 559.7826 .9277992 562.2283 .9266409 564.674 .9289575 567.1196 .9289575 572.0109 .923166 574.4565 .923166 576.9022 .9243243 579.3478 .9243243 581.7935 .9254826 584.2391 .9312741 586.6848 .9335907 589.1305 .9359073 591.5761 .9382239 594.0217 .9393822 596.4674 .9428571 598.9131 .9474903 601.3587 .9486486 603.8043 .9544401 606.25 .9544401 608.6957 .9532818 611.1414 .9521235 613.587 .9521235 616.0327 .9440154 618.4783 .9405406 620.924 .9382239 623.3696 .9382239 625.8152 .9393822 628.2609 .9335907 630.7065 .9324324 633.1522 .9312741 635.5978 .9312741 638.0435 .9312741 640.4891 .9301158 642.9348 .9277992 645.3804 .9289575 647.8261 .9301158 650.2717 .9301158 652.7174 .9277992 655.1631 .9266409 657.6087 .9289575 660.0544 .9301158 662.5 .9301158 664.9457 .9266409 667.3913 .9277992 669.837 .9289575 672.2827 .9266409 677.174 .9277992 679.6196 .9289575 682.0652 .9266409 684.5109 .9289575 689.4022 .9277992 691.8478 .9254826 694.2935 .9277992 696.7391 .9277992 699.1848 .9277992 704.0761 .923166 706.5217 .9254826 708.9674 .9289575 711.4131 .9208494 713.8587 .9208494 716.3044 .923166 718.75 .9243243 721.1957 .9277992 723.6413 .9289575 726.087 .9301158 728.5327 .9266409 730.9783 .9243243 733.424 .9277992 735.8696 .9289575 738.3152 .9301158 740.7609 .9254826 743.2065 .9254826 745.6522 .923166 748.0978 .923166 750.5435 .9324324 752.9891 .9324324 755.4348 .9359073 757.8804 .9416988 760.3261 .9428571 762.7717 .9509652 765.2174 .9486486 767.6631 .9683397 770.1087 .9972973 772.5544 1.043629 775 1.089961 777.4457 1.092278 779.8913 1.096911 782.337 1.050579 784.7827 1.012355 787.2283 .9833977 789.674 .9579151 792.1196 .9428571 794.5652 .9405406 797.0109 .9359073 799.4565 .9335907 804.3478 .9289575 806.7935 .9254826 809.2391 .9243243 811.6848 .923166 814.1304 .9243243 816.5761 .923166 819.0218 .9243243 821.4674 .923166 826.3587 .9266409 828.8044 .923166 833.6957 .9289575 836.1413 .9220077 838.587 .923166 841.0327 .923166 843.4783 .923166 845.924 .9266409 848.3696 .9266409 850.8152 .9266409 853.2609 .9277992 855.7065 .9243243 858.1522 .9243243 860.5978 .9277992 863.0435 .9277992 865.4891 .9277992 867.9348 .9243243 870.3804 .9208494 872.8261 .9220077 875.2718 .9266409 877.7174 .9266409 880.1631 .9289575 882.6087 .9289575 885.0544 .9289575 887.5 .9266409 889.9457 .9254826 892.3914 .9254826 894.837 .9266409 897.2827 .9277992 899.7283 .9301158 902.174 .9301158 904.6196 .9301158 907.0652 .9277992 909.5109 .9301158 911.9565 .9335907 914.4022 .9312741 916.8478 .9254826 919.2935 .9266409 921.7391 .9277992 924.1848 .9277992 929.0761 .9335907 931.5218 .9393822 933.9674 .9440154 936.4131 .9440154 938.8587 .9428571 941.3044 .9393822 943.75 .9451737 946.1957 .9474903 948.6414 .9544401 951.087 .9555985 953.5327 .9544401 955.9783 .9486486 958.424 .9440154 960.8696 .9405406 963.3152 .9335907 965.7609 .9335907 968.2065 .9312741 970.6522 .934749 973.0978 .9324324 975.5435 .9335907 977.9891 .9324324 980.4348 .9289575 982.8804 .9243243 985.3261 .9289575 990.2174 .9301158 995.1087 .9289575 997.5544 .9277992 擬合公式(1)y=a*exp(-x^2/b)+c*exp(-(x-7.578*22.5)^2/e)+c*exp(-(x+7.578*22.5)^2/e)+f/(x^2+g)+h/((x-7.578*22.5)^2+i)+h/((x+7.578*22.5)^2+i) (2)a*exp(-x^2/b)+c*exp(-(x-7.578*22.5)^2/e)+c*exp(-(x+7.578*22.5)^2/e) (3)f/(x^2+g)+h/((x-7.578*22.5)^2+i)+h/((x+7.578*22.5)^2+i) 用三個函數(shù)都分別擬合一下,得出參數(shù) ![]() ![]() |
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