second-order derivative 中文意思是什麼

second-order derivative 解釋
二階導數
  • second : adj 1 第二的；第二次的；二等（的）。2 次等的；較差的；劣於…的 （to）。3 〈美國〉較年輕的。4 另一...
  • order : n 1 次序，順序；整齊；（社會）秩序，治安；狀況，常態；健康狀態；條理；會場秩序；議事程序，日程；...
  • derivative : adj. 導出的；派生的。n. 1. 派生物。2. 【語言學】派生詞。3. 【化學】衍生物。4. 【醫學】誘導法[劑]。5. 【數學】導數，紀數，微商。adv. -ly
  1. Discontinuous oblique derivative problems for second order mixed equations with parabolic degeneracy

    帶拋物退化線的二階混合型方程的間斷斜微商
  2. Oblique derivative problems for second order quasilinear equations of mixed type with parabolic degeneracy

    二階擬線性退化混合型方程的斜微商問題
  3. Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves. we fit the derivative of second order of curves by a polynomial fitting, then find an indefinite integral of this polynomial to get a approach of curves. otherwise, we discuss the analyze of the error and the optimize of fairing to this arithmetic

    提出了一種針對小撓度曲線的逆向曲線光順演算法，該演算法直接擬合曲線型值點列的二階導數曲線，然後通過兩次積分來反求出光順后的曲線，並對該演算法的誤差分析、效果分析、光順優化等問題進行了深入探討。
  4. Studied and proofed the relationship between the continuity of the interpolation spline function ' s derivative and its low - pass respondence in frequency domain. that is, we have try to answer the question : why do we need to design a spline function with second order continuity of its derivative

    推導了插值樣條函數的導數連續性與其頻率響應的低通性的關系，在數學上解釋了為何在構造樣條函數時要追求二階導數連續。
  5. As a result of the require of cagd in airplane, automobile shipping and electrical appliance etc, fairing of curves and surfaces has become the hot subject in all over the world. this paper presents a new method for fairing of curves based on fitting the derivative of second order of curves. several practicality examples has been given to show the advantage of this arithmetic

    本文針對目前曲線光順演算法存在的問題，提出了一種採用最小二乘法來擬合曲線型值點列的二階導數曲線，然後通過兩次積分來反求光順曲線思想的曲線光順演算法，並給出了實際的算例來說明本文演算法的優越性。
  6. Nonlinear oblique derivative boundary value problems for nonlinear elliptic equations of second order

    二階非線性橢圓型方程組的非線性斜微商邊值問題
  7. Determination of total chlorogenic acid in yinhuangqing oral liquid by second order derivative spectrophotometry

    二階導數光譜法測定銀黃清口服液中總綠原酸含量
  8. The oblique derivative problem for nonlinear elliptic equations of second order in infinite domains

    二階非線性橢圓型方程于無界域上的斜微商問題
  9. Uniqueness of solutions of oblique derivative problems for second order mixed equations with degenerate rank o

    的二階混合型方程斜微商問題解的唯一性
  10. Using the first order and the second order derivative information of the network error function to the learning rate factor / / and the momentum factor ?, dynamic optimization of the learning rate factor / / and the momentum factor ? is obtained during the network training process, which efficiently speeds up the network learning rate

    並利用網路誤差函數對訓練速率系數和沖量系數的一階和二階導數信息，在網路訓練過程中動態優化調整訓練速率系數和沖量系數，有效地加快了網路的訓練速度。
  11. The oblique derivative problem for nonlinear ellipticequations of second order

    二階非線性橢圓型方程的斜微商問題
  12. An oblique derivative problem for degenerate hyperbolic equation of second order

    一類退化型的二階雙曲方程的斜微商邊值問題
  13. Oblique derivative problems for quasilinear degenerate elliptic equations of second order

    二階擬線性退化橢圓型方程的斜微商問題
  14. The oblique derivative problem for hyperbolic equations of second order in general domains

    二階雙曲型方程在一般區域上的斜微商問題
  15. Center discontinuous oblique derivative problems for quasilinear mixed equations of second order

    二階擬線性混合型方程的間斷斜微商問題
  16. In chapter 2, we present a family of iterative method with the convergence of order three. the family of iterative methods avoid evaluating the second frechet derivative

    第二章，提出了一族具有三階收斂迭代法，這族迭代法避免了求f （ x ）的二階導數。
  17. Second - order optical nonlinearity of the b - group complexes from thiosemicarbazone derivative

    族氨基硫脲衍生配合物的二階非線性光學性質
  18. In this paper, these two methods are employed to consider three kinds of singular perturbation boundary value problems. in the first section, the existence of solution for a class of non - linear systems with three - point boundary problem is obtained by applying the differential inequality theory. in the second section, we use the differential inequality theory to discuss the non - monotone interior layer solution for one kind of singularly perturbed quasilinear boundary value problems with a turning point. in the third section, the diagonalization method is applied to study the existence of solution for a class of vector differential systems with two - point or three - point boundary problems. meanwhile, the asymptotic estimate of the solution as well as its first - order derivative and its second - order derivative is obtained

    在第一部分中，我們應用微分不等式理論證明了一類非線性系統三點邊值問題解的存在性；在第二部分中，運用微分不等式理論研究了一類帶有轉向點的擬線性奇攝動邊值問題的非單調內層解；在第三部分中，利用對角化方法研究了一類向量二點或者三點邊值問題解的存在性，並獲得解及它的一、二階導數的漸近估計。
  19. Then an important property is obtained : when a - 0, the first order derivative of the degree 3 c - b zier curve is that of the degree 3 bezier curve, aber the second order derivative of the degree 3 c - b zier curve has no the property

    Zier曲線導矢的一個極限性質：當0時，三次c - b ? zier曲線一階導矢的極限為同次b ? zier曲線的一階導矢，並指出了該極限性質對c - b
  20. From absorption spectra and the second - order derivative spectra, three absorption speaks of excitons were clearly resolved. at the same time, the first exciton absorption peak got stronger with decreasing nanocrystals size. blue shifts due to quantum confinement were observed obviously

    納晶吸收譜及二次微分譜的測量結果表明，納晶在室溫出現了三個激子吸收峰，第一激子吸收峰隨納晶半徑減小而增強，同時清楚地觀察到納晶受限導致的光譜藍移。
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