jacobi method 中文意思是什麼

jacobi method 解釋
雅可比法
  • jacobi : 哈科維
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. With this understanding, the advancing analysis method of the steady - state voltage stability integrated the continuation power flow analysis, the system jacobi matrix eigenvalue structure analysis and the correlative sensitivity analysis, provided the comprehensive and veracious informations about the steady - state voltage stability of power system under the future operating state, these informations - included the margin of stability, the weak buses, the crucial branch and the crucial generator

    提出了將連續潮流演算法與系統jacobi矩陣特徵結構分解法以及相關的靈敏度方法相結合的靜態電壓穩定預測分析方法,這種方法可以提供關于系統在未來運行狀態下的靜態穩定性信息:系統穩定裕度、系統中的薄弱區域、關鍵支路與關鍵發電機。
  2. In addition, in order to solve the differencing equations, feasible project is presented to deal with the first and second boundary conditions. finally, jacobi interation method is selected for the solution of the equation systems

    為了實現內點離散方程組的封閉,本文就第一、二類邊界條件在計算時的處理和邊界外虛擬點的外插法求值,給出了可行的解決方案。
  3. Jacobi iteration method and its generalization

    方法及其推廣
  4. Weighted lp - approximation with jacobi weights of derivatives by the method of beta operators

    運算元加權同時點態逼近
  5. The new jacobi elliptic function expansion method by the long - short wave interaction equation

    橢圓函數新的展開法求解
  6. In this paper, we convert the complex third order eigenvalue problems into the real third order eigenvalue problems. then, based on the euler - lagrange equation and legendre transformation, a reasonable jacobi - ostrogredsky coordinate system have been found, then using nonlinear method, the lax pairs of the real bargrnann and neumann system are nonlinearized, so as to be a new finite - dimensional integrable hamilton system in the liouville sense is generated. moreover, the involutive representations of the solution for the evolution equations are obtained

    本文將復的三階特徵值問題轉化為實的三階特徵值問題,利用euler - lagrange方程和legendre變換,找到一組合理的實的jacobi - ostrogredsky坐標系,從而找到與之相關的實化系統,再利用曹策問教授的非線性化方法,分別將三階特徵值問題及相應的lax對進行非線性化,從而得到bargmann勢和neumann勢約束系統,並證明它們是liouville意義下的完全可積系統,進而給出了bargmann系統和neumann系統的對合解。
  7. By using the modified mapping method and the extended mapping method, we derive some new exact solutions of the higher order nonlinear schr ? dinger equation, which are the linear combination of two different jacobi elliptic functions

    摘要通過修正的映射方法和推廣的映射方法,我們得到了高階非線性薛定諤方程新的精確解,它們是兩個不同的雅可比橢圓函數的線性組合。
  8. ( 2 ) by the jacobi elliptic function expansion method and computer symbolic systems ( maple, matlab ), many exact periodic solutions of nonlinear wave equations can be obtained and these solutions can degenerate solitary wave solutions, shock wave solutions, trigonometric function solutions

    ( 2 )利用jacobi橢圓函數表示法和數學計算軟體( maple , matlab等) ,可以得到一類常系數非線性發展方程的雙周期解,這些解能退化成孤立子解,沖擊波解,三角函數解。
  9. In chapter 3, the non - linear equation was linearized with the jacobi matrix, and then the linearized equation was transformed into fixed frame to analyze the stability problem with eigenvalue method ( on - ground or hovering ) or floquet theory ( forward flight ). meanwhile, the equation was perturbed by sweep frequency excitation from steady state to get transit decay of lag response which was then transformed into fixed frame with a numerical fourier coordination transformation ( fct ). the fixed frame response along with the body response was analyzed via an fft to determine modal frequencies

    然後,在穩態響應的基礎上利用雅各比矩陣對非線性方程進行了線化,線化后的方程利用多槳葉坐標變換轉換到固定系下后,利用直接特徵值分析(地面、懸停)或floquet理論(前飛)對系統進行了穩定性分析;同時,對系統進行了瞬態響應分析;在系統達到穩態的基礎上進行掃頻激勵,用fft變換求得系統頻率,進而用移動矩形窗方法分析得到系統的阻尼。
  10. In chapter 4, some examples are given to illustrate that the convergence of saor - al - pcg method is better than the classical iterative method ( such as jacobi. gauss ? seidel. sor ) and the traditional cg method as well as ssor - pcg

    第四章用實例證明了這種預條件共軛梯度法的收斂速度比古典的迭代法(如jacobi , gs , sor )和傳統的cg以及ssor - pcg要快一些。
  11. Chapter5 : the recently developed method of hyperbolic tangent function expansion is extended and new function transformation is applied to construct some new solitary solutions of kdv equation and klein - gordon equation and the jacobi elliptic function expansion method, which is advanced in 2001, and the extended method of doubly jacobi function expansion are used to construct the exact solutions of a kind of nonlinear evolution equations

    第五章對近年來發展起來的雙曲正切函數展開法加以改進,採用新的變換函數,得到了kdv方程和非線性klein - gordon方程的一些新的孤立波解。其次,分別採用2001年提出的jacobi橢圓函數展開法和本文由此擴展而來的雙橢圓函數展開法,求解了一大類非線性發展方程,得到了一系列新的周期解。
  12. Jacobi transformation is used to find correlations among coefficients. then a method to transform general quadratic surface to formal quadratic surface equation is introduced. the location, direction and size of quadratic surface are obtained

    論述了運用jacobi變換方法來處理系數相關性問題,實現了二次曲面的一般方程的求取,並探討了將通用系數形式轉化為標準二次曲面方程的方法,從而求得二次曲面在空間的位置、方向和大小。
  13. At first, the robust h control for uncertain nonlinear systems with norm bounded uncertainties is studied, based on a positive definite solution of hamilton - jacobi - issacs inequality ( hji ), a sufficient condition is given such that the closed loop system is asymptotically stable and its l2 - gain is less than or equal to a prescribed value. using this condition state feedback control law and an output feedback control law which ensured robust hx performance of the closed - loop system are derived. due to the difficulty to solve hji, a method is proposed which do not require solving it by using an appropriate lyapunov function

    首先,研究了范數有界型不確定非線性系統魯棒h _控制問題,基於hamilton - jacobi - issacs不等式( hji ) ,給出了閉環系統漸近穩定且l _ 2 -增益有限的狀態反饋和輸出反饋設計演算法。考慮求解hji的困難性,針對不確定非線性系統,通過適當地選擇lyapunov函數,提出了求解非線性系統魯棒h _控制問題的演算法,可以避免求解hji 。
  14. In the part of discussion, the suitability of the jacobi elliptic function expansion method is also studied by proposing the " rank ". and we firstly point out that when the " ranks " of every term of the nonlinear evolution equation are simultaneously even or odd, the method can be used to solve the equation

    為了討論了jacobi橢圓函數展開法的適用性問題,我們最先引進「秩」的概念,指出只要非線性發展方程的各項的「秩」滿足相同的奇偶性,就可以用這種展開法求解。
  15. We improve this method as follows : ( 1 ) single jacobi elliptic function is replaced with an unified jacobi elliptic equation, thus repeated calculation is avoided ; ( 2 ) extending the expansion method from sole - function to double - function form, the more solutions for npde are obtainted ; ( 3 ) using many of jacobi elliptic functions besides ordinary three kinds, the content of solutions represented by jacobi elliptic by the jacobi elliptic function expansion method and computer functions is very abundant

    我們對此方法做了如下幾點改進:用統一的jacobi橢圓方程組代替單個的jacobi橢圓函數,避免重復計算;將jacobi橢圓單函數展開方法推廣到jacobi橢圓雙函數展開,這樣可以得到更多的解;將通常使用的三個jacobi橢圓函數推廣到多個jacobi橢圓函數,豐富了用jacobi橢圓函數表示的解的內容。利用改進的jacobi橢圓函數展開法,求解了bbm方程和boussinesq方程組。
  16. ( 2 ) by the jacobi elliptic function expansion method and computer symbolic systems ( maple, matlab or mathematica ), many exact periodic solutions of nonlinear wave equations can be obtained and under some conditions, these solutions degenerate solitary wave solutions, shock wave solutions, trigonometric function solutions respectively

    ( 2 )利用jacobi橢圓函數展開法和數學計算軟體( maple , matlab , mathematica等) ,可以求得一類常系數非線性發展方程的雙周期解,這些解能退化成孤立子解、沖擊波解、三角函數解。
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