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FESSDE 2.2: A new version of a program for the finite-element solution of the coupled-channel Schrödinger equation using high-order accuracy approximations

✍ Scribed by A.G. Abrashkevich; D.G. Abrashkevich; M.S. Kaschiev; I.V. Puzynin

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
165 KB
Volume
115
Category
Article
ISSN
0010-4655

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✦ Synopsis

A FORTRAN program is presented which solves the Sturm-Liouville problem for a system of coupled second-order differential equations by the finite element method using high-order accuracy approximations. The analytical and tabular forms of giving the coefficients of differential equations are considered. Zero-value (Dirichlet) and zero-gradient (Neumann) boundary conditions are also considered. ~)

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✍ A.G. Abrashkevich; D.G. Abrashkevich 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 763 KB

A FORTRAN-77 program is presented which solves the Sturm-Liouville problem for a system of coupled second-order differential equations by the finite difference method of the seco~idorder using the iterative Richardson extrapolation of the difference eigensolutions on a sequence of doubly condensed m