Interactive ELLPACK: an interactive problem-solving environment for elliptic partial differential equations

Authors:
Wayne R. Dyksen;Calvin J. Ribbens
Affiliations:
Purdue Univ., West Lafayette, IN;Purdue Univ., West Lafayette, IN
Venue:
ACM Transactions on Mathematical Software (TOMS)
Year:
1987

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Abstract

ELLPACK is a versatile, very high-level language for solving elliptic partial differential equations.Solving elliptic problems with ELLPACK typically involves a process in which one repeatedlycomputes a solution, analyzes the results, and modifies the solution technique. Although this processis best suited for an interactive environment, ELLPACK itself is batch oriented. With this in mind,we have developed Interactive ELLPACK, an extension of ELLPACK that provides true interactiveelliptic problem solving by allowing the user to interactively build grids, choose solution methods,and analyze computed results. Interactive ELLPACK features a sophisticated interface with window-ing, color graphics output, and graphics input.