منابع مشابه
Sequential second derivative general linear methods for stiff systems
Second derivative general linear methods (SGLMs) as an extension of general linear methods (GLMs) have been introduced to improve the stability and accuracy properties of GLMs. The coefficients of SGLMs are given by six matrices, instead of four matrices for GLMs, which are obtained by solving nonlinear systems of order and usually Runge--Kutta stability conditions. In this p...
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The paper deals with stiff systems of differential equations. To solve this sort of system numerically is a diffult task. In spite of the fact that we come across stiff systems quite often in the common practice, a very interesting and promissing numerical method of solving systems of ordinary differential equations (ODE) based on Taylor series has appeared. The question was how to harness the ...
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Two model problems for stii oscillatory systems are introduced. Both comprise a linear superposition of N 1 harmonic oscillators used as a forcing term for a scalar ODE. In the rst case the initial conditions are chosen so that the forcing term approximates a delta function as N ! 1 and in the second case so that it approximates white noise. In both cases the fastest natural frequency of the os...
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BACKGROUND Cavovarus foot is a complex, three-dimensional deformity of neuromuscular origin. A rigid cavovarus deformity causes difficulty in walking, instability, fatigue fractures, calluses and trophic ulcers in the overloaded lateral part of the foot and requires wearing orthopaedic shoes. The aim of the study was to evaluate current surgical techniques in the treatment of rigid cavovarus fo...
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ژورنال
عنوان ژورنال: Acta Electrotechnica et Informatica
سال: 2011
ISSN: 1338-3957,1335-8243
DOI: 10.2478/v10198-011-0045-4