laplacian 中文意思是什麼

laplacian 解釋
低量算符
  1. In chapter 3, we will estimate the first eigenvalue of laplacian from below on manifolds with a little negative curvature. in chapter 4, we will prove the existence of bounded nontrivial harmonic functions on some classes of complete manifolds which will generalize the results of s. y. cheng ' s

    在第三章，我們將給出具有小負曲率的流形上laplace運算元的第一特徵值的下界估計；第四章，我們會給出一類完備非緊流形上非平凡的有界調和函數的存在性，推廣了s . y . cheng的結果。
  2. The article stated here will give some remarks to the following equation in two cases : for the case > 0, the equation expresses the eigenvalue of the laplacian while for the case = 0, it is the existence of nontriv - ial bounded harmonic functions on complete noncompact manifolds

    本文中我們主要分兩種情況來討論了關于laplace運算元的方程： u + u = 0 ， r ~ + { 0 }對應於0 ，是riemann流形上laplace運算元的特徵值問題，而對應于= 0則是完備非緊流形上非平凡的有界調和函數的存在性問題。
  3. Nonexistences of weak solutions for p - sub - laplacian inequalities on the heisenberg group

    不等方程弱解的不存在性
  4. Existence and nonexistence of solutions for a singular p - laplacian involving critical exponent

    解的存在性和不存在性
  5. The operator in parentheses in (3. 54) is called the laplacian operator.

    在（354）的括號里的算符叫做拉普拉斯算符。
  6. In this paper, we consider mixed boundary problem of p - laplacian equations in a bounded domain of rn

    摘要研究空間中有界區域混合邊值問題的正解存在唯一性。
  7. There are many methods of edge detection. according to practical task, we choose some classical methods of edge detection including first differential ( roberts operator, sobel operator and prewitt operator ), second differential ( laplacian operator and kirsch operator ), log filter and canny operator. they are studied in theory and practice applying

    邊緣檢測有很多方法，根據課題實際背景，選擇了幾種比較經典的邊緣檢測方法，即一階運算元（ roberts運算元、 sobel運算元、 prewitt運算元） 、二階運算元（ laplacian運算元和kirsch運算元） 、 log運算元和canny運算元，對他們進行理論和實際應用研究。
  8. The existence and uniqueness of weak solution for a viscous laplacian equation

    方程弱解的存在性與唯一性
  9. An existence theorem of positive solutions to a nonlinear one - dimensional p - laplacian

    方程的一個正解存在定理
  10. Existence theorems about two positive solutions for a nonlinear one - dimensional p - laplacian

    方程的兩正解存在定理
  11. Some applications of the laplacian of orthonormal frame bundles

    正交標架叢上拉普拉斯運算元的一些應用
  12. Without grids, the interaction effect among neighboring particles can be simulated by means of the kernel function, based on which the governing equation is discretized by establishing the smoothing model, the gradient model and the second - derivative model ( i. e. the laplacian model )

    在無網格條件下，粒子間的相互作用通過核子函數來表示，並通過建立物理量光滑模型、梯度模型和二階導數模型來離散控制方程。
  13. On sharp bounds for the laplacian spectral radius of graphs

    譜半徑界的可達性
  14. Sharp upper bound on the laplacian spectral radius of graphs

    圖的拉普拉斯譜半徑的新可達上界
  15. The spectral radius of laplacian matrices of graphs

    矩陣的譜半徑
  16. Bounds on the laplacian spectral radius of graphs

    譜半徑的界
  17. After studied for several decades, there have appeared several classical edge operators, such as roberts, sobel, laplacian, canny and log. meanwhile, there also have presented several classical algorithms of image restoration, such as inverse filter, wiener filter and constrained least squares filter

    經過多年的研究，已經形成了roberts運算元、 sobel運算元、 laplacian運算元、 canny運算元、 log運算元等經典的邊緣檢測運算元以及逆濾波、維納濾波、約束最小二值濾波等經典的圖像恢復方法。
  18. The existence of solutions for a class of elliptic systems is denoted, by mountain pass lemma, the existence result for system of more general operator including p - laplacian, is obtained

    摘要利用經典的山路引理，證明了在一般形式的運算元下，橢圓型方程組非平凡解的存在性。
  19. Infinitely many solutions for p - laplacian - like equations

    方程的無窮多解的存在性
  20. Existence of blow - up solutions for p - laplacian equations

    方程爆炸解的存在性
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