نتایج جستجو برای: overlap integral

تعداد نتایج: 160088  

Journal: :computational methods for differential equations 0
saeed karimi jafabigloo department of mathematics, persian gulf university maryam dehghan department of matghematics, petrsian gulf university fariba takhtabnoos department of mathematics, persian gulf university

in this work, a new iterative method is proposed for obtaining the approximate solution of a class of hammerstein type integral equations system. the main structure of this method is based on the richardson iterative method for solving an algebraic linear system of equations. some conditions for existence and unique solution of this type equations are imposed. convergence analysis and error bou...

Journal: :Chronic Obstructive Pulmonary Diseases: Journal of the COPD Foundation 2019

Journal: :Archives of Disease in Childhood 1986

Journal: :Journal of the American College of Cardiology 2016

Journal: :iranian journal of fuzzy systems 2015
r. ezzati f. mokhtarnejad

in this paper, existence theorems for the fuzzy volterra-fredholm integral equations of mixed type (fvfiemt) involving fuzzy number valued mappings have been investigated. then, by using banach's contraction principle, sufficient conditions for the existence of a unique solution of fvfiemt are given. finally, illustrative examples are presented to validate the obtained results.

Journal: :Physics Letters B 2022

We extend our previous calculation of the breakup 11Be using Halo Effective Field Theory and Dynamical Eikonal Approximation to include an effective 10Be-n-target force. The force is constructed account for virtual excitation 10Be its low-lying 2+ excited state. In case on a 12C target this improves description neutron-energy angular spectra, especially in vicinity 52+ By fine-tuning range para...

Journal: :Physical review 2021

We present a first-principles implementation of the stochastic path-integral approach proposed by Liu et al. [H. Liu, Y. Yuan, D. X.-Z. Li, and J. Shi, Phys. Rev. Research 2, 013340 (2020)] for estimating superconducting transition temperature ($T_c$) liquid. The is based on all-electron projector-augmented-wave (PAW) method. generalize al.'s formalism to accommodate pseudo-description electron...

Journal: :iranian journal of numerical analysis and optimization 0
a. h. borzabadi m. heidari

in this paper, an iterative scheme for extracting approximate solutions of two dimensional volterra-fredholm integral equations is proposed. considering some conditions on the kernel of the integral equation obtained by discretization of the integral equation, the convergence of the approximate solution to the exact solution is investigated. several examples are provided to demonstrate the effc...

Journal: :international journal of mathematical modelling and computations 0
s. m. mirzaei faculty of science, minoodasht branch, islamic azad university, iran iran, islamic republic of department of mathematics

in this paper, we will compare a homotopy perturbation algorithm and taylor series expansin method for a system of second kind fredholm integral equations. an application of he’s homotopy perturbation method is applied to solve the system of fredholm integral equations. taylor series expansin method reduce the system of integral equations to a linear system of ordinary differential equation.

تحصیلداران‌فرد, فاطمه‌السادات, فرهبد, امیرحسین,

An analytical model for two-pass optical amplifier with arbitrary beams overlap has been developed which generalized the classical theory of Frantz-Nodvik for single pass amplifier. The effect of counterpropagating beams on gain and output energy fluence included in the model. Moreover, the appropriate limiting relations for two special cases of weak input signal and saturation state of the amp...

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