tanh 中文意思是什麼

tanh 解釋
雙曲正切
  1. Succeed to the work of precessors, in this paper an applied maple package rath is developed on the bases of wu ' s characteristic sets method for solving nonlinear algebraic equations, which is a complete implementation of tanh - function method

    本文在前人工作的基礎上，在計算機代數系統maple上開發了一個基於吳方法的孤波自動求解軟體包rath ，它完全實現了雙曲正切方法的自動化。
  2. Improved tanh - function method and the new exact solutions for the general variable coefficient kdv equation and mkdv equation

    非定常可壓等熵流非線性方程顯式解析解的推導
  3. The basic principle of our algorithm is based on such observation that a majority of meaningful solitary wave solutions can be expressed as the polynomial forms in terms of " bell - shaped " function sech and " kink - shaped " function tanh which possessing localized property

    演算法的基本原理是基於這樣一種觀察，即非線性波方程絕大部分有物理意義的孤立波解都可以表示成具有局部性特徵的「鐘狀函數」 - sech和「扭狀函數」 - tanh的多項式。
  4. One of most effectively straightforward methods to construct travelling solitary wave solutions is tanh - function method. the algorithm is based on the fact that the solitary wave solutions are essentially of a localized nature. seeking solitary wave solutions which are in terms of hyperbolic tangent function gives a nonlinear system of algebraic equation

    尋求非線性演化方程孤波解的雙曲正切方法是直接代數方法中最為有效的方法之一，其基本原理是利用非線性演化方程孤波解的局部性特點，將孤波解表示為雙曲正切函數的多項式，從而將非線性演化方程的求解問題轉化為非線性代數方程組的求解問題。
  5. Under conditions of great difficulty regarding transportation due to floods and torrential rains, we delivered the monetary assistance into the hands of victims in the districts of ham tan, tanh linh, and duc linh, with each household receiving an envelope containing vn 300, 000

    由於受到洪水和暴雨的影響，交通情況變得相當困難，我們仍然前往韓新性靈和德靈災區，將救助金送到災民的手中，每一個受災戶資助三十萬悠樂幣。
  6. Solutions of bbm - burgers equation by extended tanh - function method

    用推廣的雙曲正切函數法求解兩類重要方程
  7. Extended tanh - function method and its applications to nonlinear equations

    函數法的推廣及其在非線性方程中的應用
  8. Exact solutions of two nonlinear wave equations by using extended tanh - function transform method

    擴展雙曲正切函數法求解兩類非線性波動方程的精確解
  9. With the modern computer technique, we find their new soliton solutions and other new exact solutions. furthermore, we generalize the tanh method

    在已有的基礎上尋找它們新的孤立子解及其它新精確解，並推廣發展了tanh函數法。
  10. This paper mainly study some nonlinear evolution equations with physical background by using the homogeneous balance method and the tanh method, based on the soliton theory and method

    本文基於現有的孤立子理論與現代計算機技術，運用齊次平衡法及tanh函數法，研究了多種具有物理背景的非線性發展方程。
  11. It gives some solutions for designing the encoder. various log - likelihood - ratio - based belief - propagation decoding algorithms and their reduced - complexity derivatives for ldpc codes used in dvb - s2 are presented, in order to avoid the “ tanh ” function in the check - node updates

    接著，本文介紹了dvb - s2標準中ldpc碼的特點及編碼方法，給出了通過模擬得到的非規則校驗矩陣，針對編碼器設計中遇到的一些問題提出了改進方法。
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