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liuhui00木蟲(chóng) (小有名氣)
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[求助]
求教如何用Origin軟件自定義隱式函數(shù)擬合實(shí)驗(yàn)數(shù)據(jù) 已有1人參與
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各位大神,為了寫(xiě)出論文,正在用Origin2015自定義隱式函數(shù)擬合實(shí)驗(yàn)數(shù)據(jù),但是半個(gè)月了還是沒(méi)有搞定,隱式公式如下: f = A1*(1-exp(-A2*x))+A3*(exp(A4*exp(A5*y)*x)-1) 請(qǐng)問(wèn)各位,上式有問(wèn)題嗎?Origin2015的說(shuō)明書(shū)有嗎? 謝謝大神! |
鐵桿木蟲(chóng) (職業(yè)作家)
木蟲(chóng) (小有名氣)
鐵桿木蟲(chóng) (職業(yè)作家)
木蟲(chóng) (小有名氣)
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x y 0 0 0.013 0.06934 0.906 0.21885 1.239 0.23619 1.573 0.25298 1.906 0.26761 5.239 0.35211 10.239 0.43499 20.239 0.5455 30.239 0.62893 40.239 0.69447 55.239 0.7779 65.239 0.82557 80.239 0.89003 90.239 0.92687 110.239 0.99783 125.239 1.04225 150.239 1.11484 250.239 1.34561 400.239 1.6143 500.239 1.7714 600.573 1.92254 724.906 2.11322 992.906 2.54334 1113.278 2.78115 1303.278 3.22914 1424.612 3.60618 1530.278 4.04496 1642.612 4.77573 1697.278 5.78711 -- -- |
鐵桿木蟲(chóng) (職業(yè)作家)
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僅就給出的數(shù)據(jù)而言,1stOpt的計(jì)算結(jié)果: 目標(biāo)函數(shù)值(最小): 0.525264438695332 均方差(RMSE): 0.132320271265073 殘差平方和(SSR): 0.525259625629872 相關(guān)系數(shù)(R): 0.995892832738958 確定系數(shù)(DC): 0.99179951540005 參數(shù) 最佳估算 ---------- ------------- a1 -1.11867009237568 a2 -0.0010308729180957 a3 -0.93196934843736 a4 -0.259736053041134 a5 -2.30211484328732 ====== 結(jié)果輸出 ====== 目標(biāo) y 計(jì)算 y 0 3.50065869296031E-13 0.06934 0.00313399779662646 0.21885 0.145453620351664 0.23619 0.179963053252813 0.25298 0.209560594543757 0.26761 0.235381776549168 0.35211 0.397564988594109 0.43499 0.52365422591701 0.5455 0.660326827150137 0.62893 0.742477677848718 0.69447 0.800969207082044 0.7779 0.865668909106374 0.82557 0.899673126059791 0.89003 0.942294585012591 0.92687 0.966852846686602 0.99783 1.00992602432677 1.04225 1.03866652405852 1.11484 1.0824615527778 1.34561 1.23924292772548 1.6143 1.47478217660055 1.7714 1.63957300710668 1.92254 1.808598994678 2.11322 2.02062377551954 2.54334 2.50831472937384 2.78115 2.76878317764125 3.22914 3.31092841636302 3.60618 3.79377350801343 4.04496 4.31671295787141 4.77573 4.96840419483728 5.78711 5.31873386438783 |
木蟲(chóng) (小有名氣)
鐵桿木蟲(chóng) (職業(yè)作家)
木蟲(chóng) (小有名氣)
版主 (知名作家)

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