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partial difference中文是什么意思

  • 偏差
  • 偏增量

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  • 例句與用法
  • 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(dòng)準(zhǔn)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(dòng)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。
  • 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(dòng)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(dòng)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(shí)滯偏差分方程的振動(dòng)性準(zhǔn)則,建立了幾個(gè)線性化振動(dòng)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(jìn)行研究,進(jìn)一步豐富了非線性理論的內(nèi)容,拓寬了求解強(qiáng)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(dú)立模態(tài)方法;進(jìn)一步完善了軟件界面以及軟件功能;在實(shí)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(shí)脈沖擾動(dòng)和激振引起的一階、二階模態(tài)振動(dòng)。
  • 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(dòng)力方程的精細(xì)時(shí)程積分法中,從而使該方法在求解非線性動(dòng)力方程中可以自適應(yīng)選取時(shí)間步長;需要指出的是,由于考慮了矩陣指數(shù)精細(xì)算法和外推法算法在時(shí)間離散方法上的一致性,在外推過程中,計(jì)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。
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