Indexing and merging in APL

Authors:
J. A. Gerth;D. L. Orth
Affiliations:
IBM T. J. Watson Research Center, Yorktown Heights, NY;IBM T. J. Watson Research Center, Yorktown Heights, NY
Venue:
APL '88 Proceedings of the international conference on APL
Year:
1987

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Abstract

Mathematically, an array may be usefully viewed as a function, in this particular case, as a function of its indices. A proposal is made for an operator which derives such a function for its array operand.The proposal is discussed in the context of a review of indexing constructs in various APL systems.