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Home/Magazine Archive/August 1963 (Vol. 6, No. 8)/Continued operation notation for symbol manipulation.../Abstract

Continued operation notation for symbol manipulation and array processing

By M. P. Barnett
Communications of the ACM, August 1963, Vol. 6 No. 8, Pages 467-472
10.1145/366707.367587
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A brief account is given of a notational device that is very useful in the formal representation of syntaxes, string relationships and string transformation procedures and also of computing procedures that deal with arrays of functions of many variables. The device consists of the use of certain “continued operation” or “collective” symbols that are analogous to the summation symbol ∑ and continued multiplication symbol ∏ of conventional mathematics.

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