The hybrid model is a combination of non-linear algebraic equation group and differential or difference equation group, and possesses the ability to integrate equations in inhomogeneous expression form.

本課題抓住這一前沿研究，從經(jīng)驗(yàn)知識與經(jīng)驗(yàn)數(shù)據(jù)的綜合利用入手亚洲综合色图网站，對軟測量模型的結(jié)構(gòu)思思伊人久久大香线蕉av、模型構(gòu)建方法以及軟測量系統(tǒng)的關(guān)鍵技術(shù)進(jìn)行深入研究。

In the fourth chapter, we build the model of coefficient on one dimension partial differential equation and adopt finite element method to discrete partial differential equation and in the fifth chapter, we employ GP to identify and build the model of right-side function and adopt over-relaxation or alternating direction implicit method to solute difference equation.

在求解這些偏微分方程連續(xù)系數(shù)反演或右端連一一一~武衛(wèi)1里魚立二大一至」夔里匕崖匕位止透二立一一一一續(xù)函數(shù)的適應(yīng)值評價(jià)中91大神福利导航，我們都采用H'一范數(shù)正則化來解決連續(xù)參數(shù)的識別問題国产欧美二区第一页。

And the numerical solutions of difference equation are regarded as the approximate solutions for the differential equation.

文中首先對對稱正則長波方程提出了一個(gè)兩層和兩個(gè)三層的有限差分格式。

The main idea of the finite difference method is as follows: We consider the discrete difference equation with the finite alphas as approximate substitution for the differential equation with the continuous variant and boundary conditions.

有限差分方法的基本思想是用離散的精品日韩精品手机在线观看AV，只含有有限個(gè)未知數(shù)的差分方程去近似代替連續(xù)變量的微分方程及邊界條件99riav.com，并把相應(yīng)的差分方程解作為微分方程的近似解。

No reasonable scientific or theoretical basis is given to explain the jump from difference equation to differential equation till now.

從差分方程到微分方程的跨越亚洲丝袜脚交，缺乏充分的科學(xué)基礎(chǔ)和理論依據(jù)92国产精品午夜福利视色。

Then, we examine the general random walk model in mathematics and derive a two-order difference equation and its corresponding differential equation.

為了得到可與生物試驗(yàn)加以比較的結(jié)論，需要求解在給定邊界條件下的關(guān)于隨機(jī)蕩步模型的二階差分方程操逼欧美视频。

Through the limit difference method,the partial differential equation of the semiconductor device is transformed into a difference equation,and the corresponding boundary condition is discretized with high accuracy.

采用有限差分法把器件工作的偏微分方程轉(zhuǎn)化為差分方程J8又大又粗又长又硬不爽，并將相應(yīng)的邊界條件轉(zhuǎn)化為精度較高的離散化形式。

Sales, in turn, is related to advertising expenditures via a differential or difference equation termed a state equation.I...

本文僅介紹其中兩類最重要的廣告動態(tài)最優(yōu)控制模型可以看的毛片网址，并在此基礎(chǔ)上對所介紹的模型進(jìn)行評析一级毛片,黄,免费观看，同時(shí)指出進(jìn)一步研究的方向黄色视频在线免费观看6区所有全部。

The modeling of GM (1,1) model is to gain difference equation by dispersing albinism differential equation, then to estimate model parameters by the difference equation.

GM(1久久久久九九精品影院，1)模型的建模過程是由白化微分方程離散化得到差分方程，再由該差分方程估計(jì)模型參數(shù)亚洲情黄网站在线播放。

The main content of the study includes: the policy variables are classified into two types, which are continuous policy variable and discrete policy variable, and the two variable is analyzed respectively; as to the continuous policy variable, use reasonable weighting to synthesize comprehensive policy indicator to reflect the comprehensiveness of each main policy indicator; undertake regression analysis for the comprehensive policy indicator, economic and stock market variable and get the effect of all kinds of comprehensive policy indictor variables on the economy and stock market; undertake regression analysis for data on the economic indicator and the data on the stock market and get the relationship between the economy and the stock market; use event research method to analyze its effect on the stock market and get some corresponding conclusions; structure the differential or difference equation groups on the interactive relationship among the variable economy, stock market and policy and do the difference operation and constitute simultaneous equation with the original main variables one after another; use quantitative regression method and solve the coefficient of the simultaneous equation to predict the operating tendency.

本研究主要內(nèi)容包括：將政策變量劃分為連續(xù)性政策變量和離散政策變量兩個(gè)類型爽了又爽avav，并分別進(jìn)行分析；對于連續(xù)性政策變量欧美色色色，采取合理的權(quán)重來合成政策綜合指標(biāo)美女专区一区二区，反映各主要政策指標(biāo)的綜合力度大小牲一交一乱一伦A片；將各政策綜合指標(biāo)與經(jīng)濟(jì)亚洲精品元码久久久久、股市變量進(jìn)行回歸分析一级二级三级a片，獲得各類政策綜合指標(biāo)變量對經(jīng)濟(jì)、股市影響程度的大泄患禷爱做片就在线看」鲜炫悠狄磺粚⒔?jīng)濟(jì)指標(biāo)數(shù)據(jù)與股市數(shù)據(jù)進(jìn)行回歸分析，獲得經(jīng)濟(jì)與股市之間關(guān)系的大芯镁镁镁镁镁访夥衙夥褁av∪蘸烦扇送呈悠担徊扇∈录芯糠椒▉矸治銎鋵墒械挠绊懗潭龋粯?gòu)建關(guān)于經(jīng)濟(jì)黄色网站淫乱片、股市與政策各主要變量之間互動關(guān)系的微分或差分方程組抽a插%网站，進(jìn)行差分運(yùn)算，并以此與原來各主要變量組成聯(lián)立方程最新国产在线视频；運(yùn)用計(jì)量回歸方法131MM视频，求出聯(lián)立方程系數(shù)用于預(yù)測。