partial difference造句
例句與造句
- Positive solution of neutral partial difference equations
中立型偏差分方程的正解 - Oscillation criteria of partial difference equationswith continuous variables
具有連續(xù)變量的偏差分方程的振動準則 - Differential method for linear partial difference equation with constant coefficients
常系數(shù)線性偏差分方程的微分解法 - Oscillation of nonlinear partial difference equations with continuous variables
具有連續(xù)變量的非線性偏差分方程的振動性 - Using our results , the boundedness of some partial differential equations and some partial difference equations are studied
利用所得結(jié)果研究了某些偏微分方程及偏差分方程解的有界性。 - It's difficult to find partial difference in a sentence. 用partial difference造句挺難的
- By means of the comparison theorem , and the oscillation of some non - linear partial difference equations is discussed and some concise conditions and authenticity are given
給出系統(tǒng)振動的比較定量，利用比較定理討論了一類非線性偏差分方程的振動性，給出簡單的判別條件及證明。 - Some oscillation criteria for a class of nonlinear partial difference equations with variable coefficients are obtained . some linearized oscillation theorems for these equations are established
摘要獲得了具有變系數(shù)的時滯偏差分方程的振動性準則，建立了幾個線性化振動性定理。 - In this paper , an asymptotic method have been studied to solve the nonlinear partial difference . the content of nonlinear theory has been enriched . some methods , which are used to solve strongly nonlinear equation , have been expanded
本文主要是對求非線性偏微分方程的漸近解進行研究，進一步豐富了非線性理論的內(nèi)容，拓寬了求解強非線性問題的一些方法的應(yīng)用范圍。 - Based on a duralumin flexible beam with piezoelectric films attached , distributed parameter modal described by partial difference equations is builded , and then turned into a set of two order systems with the method of modal analyse . state feedback control and independent modal control is investigated . and simulation of the closed - loop system with thest two methods is performed in matlab
并用模態(tài)分析的方法，將系統(tǒng)的偏微分方程模型轉(zhuǎn)化成了模態(tài)模型；研究了狀態(tài)反饋和獨立模態(tài)方法；進一步完善了軟件界面以及軟件功能；在實際系統(tǒng)中，應(yīng)用狀態(tài)反饋算法，有效抑制了懸臂梁在受到外界瞬時脈沖擾動和激振引起的一階、二階模態(tài)振動。 - Hence this method can improve accuracy and efficiency of the calculation . c . based on these work upwards , an adaptively wavelet precise time - invariant integration method was proposed in this paper . in this method , an adaptive multilevel interpolation wavelet collocation method for partial difference equations ( pdes ) was conducted , in which the time complexity is less than oleg v ' s method , and then the adaptive precise integration method was combined with , so that in this method the adaptively discretes both in time domain and physical domain were realized
該方法將外推法引入求解結(jié)構(gòu)動力方程的精細時程積分法中，從而使該方法在求解非線性動力方程中可以自適應(yīng)選取時間步長；需要指出的是，由于考慮了矩陣指數(shù)精細算法和外推法算法在時間離散方法上的一致性，在外推過程中，計算工作量基本沒有增加；因此，兩種方法的結(jié)合有效提高了算法的效率和精度。 - The aim of this study is to develop a wavelet stochastic finite element method to be applied in solving partial difference equations . this work includes 5 sections as follows : a . the properties of quasi shannon wavelet was studied in this paper , and a wavelet collocation method for partial differential equations was conducted
該工作主要由以下五部分構(gòu)成：第一、研究了擬shannon小波的性質(zhì)，構(gòu)造了求解偏微分方程的擬shannon小波配置法，同時將外推法引入小波配置法，進一步改善了該方法的計算效率和計算精度。