Browsing SAICSIT Digital Archive by Author "Messerschmidt, HJ"

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Algebraic factorization of integers using BDE's

Messerschmidt, HJ; Robertson, J (2000)

This paper outlines a new direct algebraic method for the factorization of integers. It shows how by using a mixed binary - decimal multiplication scheme the multiplication can be reconstructed from the product only. This ...
Computer fraud in SA: an indictment of information systems

Messerschmidt, HJ (South African Computer Society (SAICSIT), 1995)

There is an increasing amount of computer fraud in South Africa. A recent court case shows that Information Systems can actually assist criminals. The paper shows where the major loopholes are and suggests ways of improving ...
Coping with degeneracy in the computation of Dirichlet Tessellations

Buys, J; Messerschmidt, HJ; Botha, JF (South African Institute of Computer Scientists and Information Technologists, 1990)

A modification to the Dirichlet tessellation algorithm of Green and Sibson {1} is presented which deals effectively with degenerate and near-degenerate vertices and allows the construction of a ...
The placement of subprograms by an automatic programming system

Du Plessis, JP; Messerschmidt, HJ (South African Institute of Computer Scientists and Information Technologists, 1991)

Programming in a procedural language such as Pascal usually involves the development of subprograms. An automatic programming system needs a systematic method to determine the placement (position) of a subprogram in a ...

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