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Description: 是 COLSYS 的更新版。国外有名的解常微分BVP的求解器，对奇异问题有很好的适应性。-C this package solves boundary value problems for
C ordinary differential equations, as described below.
C
C COLNEW is a modification of the package COLSYS by ascher,
C christiansen and russell [1]. It incorporates a new basis
C representation replacing b-splines, and improvements for
C the linear and nonlinear algebraic equation solvers.
C the package can be referenced as either COLNEW or COLSYS.
Platform: |
Size: 30720 |
Author: 刘项 |
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Description: 一个解常微分边值问题的高端求解器，可以解显式表达的微分方程组，且此微分方程组的每一个方程可以容许4阶的微分。长于解非线性的奇异问题。内附论文。程序自带说明和算例。-Automatic Continuation With Collocation.
This Package Solves `Stiff Boundary Value Problems For Ordinary Differential Equations By Using Continuation, As Described Below.
Colmod Is A Revised Version Of The Package Colnew By Ascher And Bader [2], Which In Turn Is A Modification Of The Package Colsys By Ascher, Christiansen And Russell [1]. Colmod Has Been Adapted To Allow An Automatic Continuation Strategy To Be Used. The Mesh Selection Algorithm Used In Colmod Differs From That Used In Colnew.
Platform: |
Size: 246784 |
Author: 刘项 |
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