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approximate data中文是什么意思

  • 近似數(shù)據(jù)

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  • 例句與用法
  • For more information about how to use approximate data types , see
    有關(guān)如何使用近似數(shù)據(jù)類型的詳細(xì)信息,請參閱
  • The water quality respond relation of input - output measurements are established by systematic theory in this paper . according to the peculiarity of hydrology and the necessity of water quality inverse problem the multi - parameter inverse problem model based on ordinary differential equation is developed . the existence and uniqueness of the solution of the ordinary differential equation about two parameters or multi - parameter are to be proved . the unstability depending on errors between monitoring data and interpolation approximate data are analyzed and demonstrated . cubic spline interpolation function , the least two multiply and positive rule method are conjoined for obtained solution of multi - parameter . the results from this algorithm indicats its efficient to the multi - parameter identification in water quality modeling
    本文應(yīng)用系統(tǒng)理論,建立了水質(zhì)多參數(shù)輸入輸出之間的響應(yīng)關(guān)系;根據(jù)河流水文水質(zhì)變化特點和參數(shù)反問題的需求,建立了水質(zhì)常微分方程多參數(shù)反問題模型.根據(jù)常微分方程參數(shù)反問題的數(shù)學(xué)理論,作者給出了兩參數(shù)和多參數(shù)水質(zhì)常微分方程反問題的解的存在性、唯一性的理論證明過程和結(jié)論;還針對水質(zhì)現(xiàn)有監(jiān)測資料的測驗誤差和插值近似計算誤差造成參數(shù)反問題的不穩(wěn)定性,將三次樣條插值函數(shù)、超定方程最小二乘法和正則化算法有機(jī)地結(jié)合使用,成功地給出了水質(zhì)參數(shù)反問題的穩(wěn)定化算法.最后給出了應(yīng)用計算結(jié)果
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