Recursive data structures in APL
Communications of the ACM
“Extension of APL to tree-structured information”
APL '76 Proceedings of the eighth international conference on APL
Toward a data structure extension for APL
APL '76 Proceedings of the eighth international conference on APL
An object oriented extension to APL
APL '87 Proceedings of the international conference on APL: APL in transition
Transfinite nesting in array-theoretic figures, changes, rigs, and arms. Part I
APL '93 Proceedings of the international conference on APL
Rectangularly arranged collections of collections
APL '82 Proceedings of the international conference on APL
APL '82 Proceedings of the international conference on APL
The nested rectangular array as a model of data
APL '79 Proceedings of the international conference on APL: part 1
A development system for testing array theory concepts
APL '81 Proceedings of the international conference on APL
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Trenchard More has proposed an array theory which offers a powerful set of operators and operations on nested arrays. We have written a program called Array Theory/370 (AT/370) which implements these array theoretic operations at the assembler-language level on an IBM/370. We have also written a VS APL auxiliary processor which enables the APL user to access AT/370 and to manipulate nested arrays. This paper describes the simple but powerful APL-AT/370 interface and illustrates how the interface was used to build an interactive array-theoretic system.