Analysis of function applications in deep arrays

Author:

Benkard J. Philip1

Affiliation:

1. Staff Programmer, Subproducts Systems Engineering, International Business Machines Corporation, Dept 262/Bldg 938, P. O. Box 950, Poughkeepsie, New York

Abstract

Function arrays are easy to understand in APL when the leaves are primitive scalar functions. Herein other kinds of functions, called generically subscalars, are studied as items in functions arrays. Some example primitive shave an internal analog of structure. They are explicated using an experimental DEPTH operator and some defined subprimitive functions. Subscalar leaves of function arrays interrupt the promulgation of scalar conformance in a resumable fashion reminiscent of the data types of Kajiya [6].

Publisher

Association for Computing Machinery (ACM)

Reference9 articles.

1. IBM Corporation APL2 Programming Langrage Reference P. 104. IBM Corporation APL2 Programming Langrage Reference P. 104.

2. ibid p.291. ibid p.291.

3. Syntactic experiments with arrays of functions and operators

4. Structural experiments with arrays of functions

5. March 1984;Brown J. A.

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2. Extending structure, type, and expression in APL2;ACM SIGAPL APL Quote Quad;1991-07

3. User defined data types in APL2;ACM SIGAPL APL Quote Quad;1989-07

4. Phrasal forms;ACM SIGAPL APL Quote Quad;1989-07

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