EQL: A language for numerical computation

Authors:
Hiroyasu Nagata
Affiliations:
Computing Center, Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido, Japan
Venue:
Computer Languages
Year:
1979

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Abstract

EQL, a language for numerical computation, has been implemented. This paper describes essential properties of the EQL language, which considerably simplifies numerical analysis and programming thanks to the following features: (1) elimination of explicit sequencing: (2) matrix and array computations: (3) simple and convenient notation of iteration procedure: (4) mapping of data structures (vector or matrix) on data objects which are represented in the computer: (5) tabulation facility for function values. Also the outline of translator, which transforms an EQL program to FORTRAN codes, is described.