The ‘tanh-coth expansion method’ for finding solitary travelling-wave solutions to nonlinear evolution equations has been used extensively in the literature. It is a natural extension to the basic tanh-function expansion method which was developed in the 1990s. It usually delivers three types of solution, namely a tanh-function expansion, a coth-function expansion, and a tanh-coth expansion. It...

In this paper we derive some exact solutions for the Ito equation. These solutions are obtained by the sn-ns method, which is a generalization of the tanh-coth method.

The ‘tanh-coth expansion method’ for finding solitary travelling-wave solutions to nonlinear evolution equations has been used extensively in the literature. It is a natural extension to the basic tanh-function expansion method which was developed in the 1990s. It usually delivers three types of solution, namely a tanh-function expansion, a coth-function expansion, and a tanh-coth expansion. It...

In this paper a generalized tanh-function type method is proposed by using the idea of the transformed rational function method. We show that the G G  -expansion method is a special case of the generalized tanh-function type method, so the G G   -expansion method is considered as a special deformation application of the transformed rational function method. We demonstrate that all solutio...

malting is a complex biotechnological process that includes steeping; germination and drying of cereal grains under controlled conditions of temperature and humidity. in this research malting process parameters were predict by modular neural network with different activation function included, logsig-logsig, tanh-tanh, logsigtanh, logsig-identity and tanh-identity. steeping time (x1) and germin...

We study some Weingarten spacelike hypersurfaces in a de Sitter space S 1 (1). If the Weingarten spacelike hypersurfaces have two distinct principal curvatures, we obtain two classification theorems which give some characterization of the Riemannian product H(1−coth ̺)× S(1 − tanh ̺), 1 < k < n − 1 in S 1 (1), the hyperbolic cylinder H(1 − coth ̺) × S(1 − tanh ̺) or spherical cylinder H(1 − coth ̺)×...

We present a novel ultra lowvoltage floatinggate transconductance amplifier with tunable gm. The OTA can provide a sinh shaped output current , a tanh shaped output current or an enhanced linear sinh{tanh} output current.

In this paper a generalized tanh-function type method is proposed by using the idea of the transformed rational function method. We shown that the (G`/G)-expansion method is a special case of the generalized tanh-function type method, so the (G`/G) -expansion method is included by the transformed rational function method. We demonstrate that all solutions obtained by the (G`/G)-expansion method...

Lines In[1] and Out[2] below demonstrate a simple interaction with through a notebook interface.1 On line In[1] , the type function object is applied on a representation of the MATLAB expression tanh(3.78i). ’s response, shown on Out[2] , is the inferred type of tanh(3.78i). In this case, “type” is the expression {v, i, s} where v, i and s are the value range, intrinsic type and array shape of ...