tanh

Solutions of BBM-Burgers equation by extended tanh - function method

用推广的双曲正切函数法求解两类重要方程

The integration uncertain border value is estimated by fuzzy inference and the soft switch control is accomplished by tanh ( x ) function replacing sgn ( x ) .

根据模糊推理估计集成不确定边界，利用双曲正切函数代替符号函数实现软切换连续控制。

Exact solutions of nonlinear wave equation using an extended tanh function method

ETFM方法和非线性波方程的精确解

Extended tanh - function method and its applications in partial differential equations

推广的tanh-函数法及其在偏微分方程（组）中的应用

A Comparison Between Information Transfer Function Sigmoid and tanh on Neural

神经网络信息传输函数Sigmoid与tanh比较论证

Hamiltonian schemes of four order rod vibration equation are considered and hyperbolic function tanh ( x ) is applied .

考虑四阶杆振动方程的哈密顿方程组。

In chapter 4 , the extended - tanh function method is improved and the generalized Ric-cati equation expansion method is presented .

第四章推广了extended-tanh函数方法和提出了广义的Riecati方程展开法。

In chapter 3 , the tanh function method is improved and a new generalized Riccati equation rational expansion method which we have improved is presented .

第三章主要推广了tanh函数方法并介绍了我们推广的一种直接求解非线性发展方程的方法-广义的Riccati方程有理展开法。

A neural network test system for loan profit rates was established by using the information transfer Tanh function , which replaced the Sigmoid function in this paper .

在贷款利润率的神经网络预测系统中采用信息传输Tanh函数。

The sinh , cosh , and tanh functions also all appear in various calculations in special and general relativity .

双曲正弦、双曲余弦和双曲正切函数也会以常见或特殊形式出现在各种计算中。

The Skipped Tanh - Regression Estimators

跳跃型双曲正切回归估计量

For long transmission lines , a factor k is presented to correct the error by tanh γχ≈γχ , and fault location can be accurately obtained by one or two iterative calculations .

而对长距离输电线，则提出一个修正系数来修正tanhγχ≈γχ的误差，通过一欠迭代计算获得准确的故障位置。

In this paper , a new approach is presented for optimizing the approximation of Tanh rule based on Minimum Mean Square Error ( MMSE ) criterion under the Gaussian approximation .

该文利用高斯近似法，提出一种基于最小均方误差（MMSE）准则的Tanh法则优化近似新方法。

Finally , group classification of a generalized KP equation is undertaken . Group invariant solutions of the equation are obtained by combining the symmetry reduction method with the variable coefficient generalized Tanh method .

另外，我们还给出了广义Kadomtsev-Petviashvili方程的古典对称群分类，并结合变系数广义Tanh函数方法获得了其群不变解。

Iterative methods were constructed for implicit symplectic schemes of schrodinger equations of high order , the schemes were formed by using hyperbolic function tanh , and its conditions of convergence were discussed .

本文对以tanh（x）为基础构造的schrodinger方程的隐式辛格式建立一种迭代解法，并讨论了此代解法的收敛条件。

10 cm-length fiber gratings with apodized refraction index profiles of raised-cosine or tanh ( 4z ) shape can be used in CATV systems in theory .

长度为10cm、包络为升余弦与tanh（4z）的光栅都能满足有线电视系统的要求。

By applying extended tanh method , the authors have obtained some new explicit traveling wave solutions of the ( 3 + 1 ) - dimensional KP equation , including solitary wave and elliptic functional solutions and so on .

利用推广的tanh法，求出了（3+1）维KP方程的某些新的显式行波解，其中包括孤立波解和椭圆函数解等。

Secondly , in order to overcome sigmoid function incidental to lead to proneness to yield minimal local results in the train course of the hidden unit and output unit , which is tanh ( x ) a new threshold activation function is applied .

其二，训练过程中对隐层和输出层采用了双曲正切阈值激励函数进行训练，解决了Sigmoid函数在0和1附近易陷入平坦区的情况。

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 .

算法的基本原理是基于这样一种观察，即非线性波方程绝大部分有物理意义的孤立波解都可以表示成具有局部性特征的钟状函数-sech和扭状函数-tanh的多项式。