In this paper, two novel classes of implicit exponential Runge–Kutta (ERK) methods are studied for solving highly oscillatory systems. First of all, symplectic conditions for two kinds of exponential integrator
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Dear Ms-Excel team, Fist of all I want to say thank MS who created wonderful app (Ms-Excel). However, I believe there are some error in Exponential functions. Ex. Let calculate some functions bell... duypk That will be like =2^(3^(4^1)) Order of ope...
I was not able to reproduce it. I copy your number and paste to Excel; when create txt file with it and import - have correct number in both cases Could you please attach your txt file with few numbers to check?
CS0023: Operator '.' cannot be applied to operand of type 'void' CS0029: Cannot implicitly convert type 'string' to 'System.Web.UI.WebControls.DropDownList' CS0103: The name 'Helper' does not exist in the current context CS0104: 'Image' is an ambiguous reference between 'System.Web.UI...
The Riemannian Jacobi equation can be recovered by choosing a symplectic moving frame induced by the parallel transport, in which case C1(t)=0, C2(t)=1, and R(t) is the curvature operator along the geodesic. It can also be shown, see [8, Section 3.2] for example, that the ...
Caputo-Fabrizio fractional operatorStability analysisFHATMThe key purpose of this study is to suggest a new fractional extension of nonlinear Drinfeld–Sokolov–Wilson (DSW) equation with exponential memory. The nonlinear DSW equation plays a great role in describing dispersive water waves. The ...
CS0023: Operator '.' cannot be applied to operand of type 'void' CS0029: Cannot implicitly convert type 'string' to 'System.Web.UI.WebControls.DropDownList' CS0103: The name 'Helper' does not exist in the current context CS0104: 'Image' is an ambiguous reference between 'System.Web.UI...
We consider the linear, elliptic, self-adjoint, second order differential operatorw \mapsto \mathcal {L} w = - \text {div}( A \nabla w )in a bounded, curvilinear polygon\varOmega \subset {\mathbb {R}}^2as described in Sect.1.2. The diffusion coefficientA\in L^\infty (\varOmega ...
The area under receiver-operator characteristic curve (AUC) was used to assess diagnostic efficacy. The Logistic regression analysis was used to identify independent predictors and estab- lish prediction model. Results SUVmax, MTV, TLG, α, and MTRasym(3.5 ppm) values were ...