نتایج جستجو برای: nicholson method
تعداد نتایج: 1630896 فیلتر نتایج به سال:
Metabolic profiling, also known as metabonomics (Nicholson et al., 1999) or metabolomics (Raamsdonk et al., 2001), is a rapidly developing field in biomedical science that combines the application of spectroscopic techniques with multivariate statistical analysis in studies of the molecular composition of biofluids, cells and tissues. The experimental focus is on profiling metabolites the thous...
American put options with the regime-switching model is a system of coupled free boundary problems. In this study, we present an accurate finite difference method Hermite interpolation for solving system. To end, first employ logarithmic transformation to map each regime fixed interval and then eliminate first-order derivatives in transformed by taking obtain partial differential equations whic...
Pereira, L. M., D. R. Morrow, V. Aquila, B. Beckage, S. Beckbesinger, Beukes, H. J. Buck, C. Carlson, O. Geden, A. P. Jones, Keller, K. Mach, M. Mashigo, Moreno-Cruz, Visioni, Nicholson, and Trisos. 2021. From fAIrplay to climate wars: making change scenarios more dynamic, creative, integrative. Ecology Society 26(4):30. https://doi.org/10.5751/ES-12856-260430
The alternating direction implicit (ADI) method is an attractive option to use in avoiding the CourantFriedrichs-Lewy (CFL) condition that limits the size of the time step required by explicit finite-difference time-domain (FDTD) methods for stability. Implicit methods like Crank-Nicholson offer the same advantages as ADI methods but they do not rely on simple, one-dimensional, tridiagonal syst...
Ma'ruf Karkhi is the pioneer of Sufism in Baghdad. He played a significant role in shifting Sufism from asceticism to mysticism. A study of his words and ideas shows that he was the first to define Sufism. He defines Sufism as perceiving the truths, expressing the subtlelties, and keeping off the people. His definition has attracted scholars such as Nicholson who studied Sufism. The present pap...
Keywords: KP–BBM-II equations Crank–Nicholson method Finite difference scheme Convergence Stability a b s t r a c t In this paper, the finite difference method is employed to solve Kadomtsev–Petviashvili– Benjamin–Bona–Mahony II (KP–BBM-II) partial differential equations. The time and space variable are discretized by the Crank–Nicholson method and the central-difference scheme, respectively. T...
abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...
In this work we construct and analyze discrete artificial boundary conditions (ABCs) for different finite difference schemes to solve nonlinear Schrödinger equations. These new discrete boundary conditions are motivated by the continuous ABCs recently obtained by the potential strategy of Szeftel. Since these new nonlinear ABCs are based on the discrete ABCs for the linear problem we first revi...
Structural, vibrational and microwave dielectric properties of Nickel-Copper-Zinc ferrite (Ni0.2CuxZn0.8−xFe2O4) ceramics have been presented in this paper. Samples have been prepared using conventional auto-combustion method. The X-ray diffraction (XRD) results confirmed the ferrite samples to be of cubic spinel structure, which further was validated by Fourier transform infrared (FT-IR) and R...
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