首页> 外文会议>International Conference on Computational Science - ICCA 2003 Pt.2 Jun 2-4, 2003 Melbourne, Australia and St. Petersburg, Russia >The Best Parameterization of Initial Value Problem for Mixed Difference-Differential Equation
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The Best Parameterization of Initial Value Problem for Mixed Difference-Differential Equation

机译:混合差分-微分方程初值问题的最佳参数化

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We develop an approach to the numerical integration of initial value problem for mixed difference-differential equations that are differential with respect to one argument and difference with respect to others. Preliminary reduction of the problem to a set of Cauchy problems for systems of ordinary differential equations depending on a parameter affords to state it as the problem of the continuing the solution with respect to the best continuation parameter, namely, the integral curve length. This statement has numerous advantages over the usual statement. Namely, the right-hand sides of the transformed system remain bounded even if right-hand sides of the original system become infinite at some points.
机译:我们开发了一种针对混合差分-微分方程的初值问题的数值积分方法,该方程相对于一个参数是微分的,而相对于另一个参数则是微分的。对于根据参数对常微分方程组的问题,将问题初步简化为一组柯西问题,可以将其陈述为关于最佳连续参数(即积分曲线长度)继续求解的问题。与常规语句相比,该语句具有许多优点。即,即使原始系统的右侧在某些点变为无穷大,变换后的系统的右侧仍保持有界。

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