The difference schema of the initial boundary value problem was converted to the step-by-step form,which was similar to the difference schema of the initial value problem.It is concluded that the difference schema satisfying the Von Neumann condition is a stable schema,and that,under the consistency condition,such stable schema is convergent.Moreover,with error estimate expression for the difference approximation to the classical solution,the linearity condition is unnecessary.

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RESULTSdiabetic rats showed typical symptoms involving elevated serum glucose and weight loss (2)The rats in DM+VaD group reacted slower and made more error numbers in Y-maze than the rats in VaD group did, with a prolonged total reacting time in a whole day.(3)More neurons with serious damages, such as edema, ischemia or pyknosis could be found in DM+VaD group than in VaD group. More disarrangement of cone neurons, obvious glia proliferation, and more neuron apoptosis were found in CA area of hippocampus. CONCLUSIONS (1)2-VO in STZ-induced diabetic rats succeeded in establishing VaD animal models.(2) The cognitive dysfunction induced by VaD rats had been deteriorated by diabetes mellitus.(3)Morphology evidences proved that diabetes mellitus aggravated brain damages induced by VaD.PART II Effect of diabetes mellitus on the cholinergic nervous systemin CA1 area of hippocampus of VaDOBJECTIVE To estimate the role of cholinergic nervous system in hippocampus during the process of cognitive dysfunction aggravated by diabetes mellitus in DM+VaD group. METHODS Observe the changes of ChAT protein by immunohistochemistry stain. Chose three rats randomly from each group at each pointat two week, four week, and eight week, then sepa

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The model as follows:〓 u =0,∈〓Ω×J u =u〓, x∈Ω chapter 3 is devoted to study the moving grid timediscretization FEM of above model, the optimal energy norm error estimate is obtained.

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A high accuracy finite volume element method was given based on cubic spline interpolation for linear and nonlinear twopoint boundary value problems of ordinary differential equations. The computational scheme was derived and the property of positive type was discussed. Further we presented the convergence analysis and the scheme was proved having fourth order error estimate in discrete energy norm.

針對(duì)常微分方程線性和非線性兩點(diǎn)邊值問(wèn)題，提出了基于三次樣條插值的高精度有限體積元方法久久久久久久久久久久久，給出了具體計(jì)算格式欧美一级免费看黄片视频，討論了格式所具有的優(yōu)良性質(zhì)--正型性，并應(yīng)用能量方法給出了收斂性分析欧美性a爱视频，證明了格式按照離散能量模具有四階精度黄色视频看片。

It is important to suitably estimate the root mean square of observation error in a given assimilation system.

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It not only derives truncation error of the difference scheme, but also proves absolute stability of the differecce scheme by the energy estimate method.

不 僅導(dǎo)出了差分格式的截?cái)嗾`差，而且還應(yīng)用能量估計(jì)法美国黄片免费观看，詳細(xì)論證了差分格式的絕對(duì)穩(wěn)定性一级品精品三级片视频。

To make an inference, you first need to estimate the probability of that error

為得出推論，你首先需要估計(jì)這一誤差的概率

It is usual to estimate the error variance in the existing method of second order character.

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No degrees of freedom left to estimate the error variance when the data of this design are analyzed, so the standard ANOVA can t be used.

然而在分析這類數(shù)據(jù)時(shí)因?yàn)闊o(wú)多余的自由度可用于估計(jì)誤差方差日本强伦奸人妻一区二区，因而不能采用標(biāo)準(zhǔn)的方差分析法玖玖国产精品视频。

We collected eight field data sets of potatoes farms in five years (2004~2008) from Taiwan Seed Improvement and Propagation Station. Besides, generalized linear models were employed to estimate the proportion of the individual plant infected. By mean square error as criteria. optimal group sizes were changed from 20 to 40 plants per group so that the cost was reduced and the testing process was improved efficiently. Not only can the group-testing design advance the accuracy of testing, but it can reach to the purpose of optimization.

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