October 1968 - Vol. 11 No. 10
Features
Scientific Applications: Computer synthesis of Holograms for 3-D display
Optical and digital holography are reviewed. The mathematical model and computational techniques of the authors' digital holographic process are discussed, and…
Business Applications: GAN, a system for generating and analyzing activity networks
GAN, a system for generating activity networks, is designed to save time in the preparation of activity networks and to deal conveniently with network programs. A…
Programming Languages: Boolean matrix methods for the detection of simple precedence grammars
The use of decision tables as a tool in systems analysis and for program specification is now becoming accepted. Rules on redundancy, contradiction, and completeness for…
The implementation of a BASIC system in a multiprogramming environment
A mechanical procedure is derived for determining whether a given context-free phrase structure grammar is a simple precedence grammar. This procedure consists of…
Easy English is a natural command language designed to simplify communication between man and machine through remote typewriter console. It has been developed for…
Education: A general-purpose display processing and tutorial system
ADEPT (A Display-Expedited Processing and Tutorial) system is described. This system was designed to improve man-computer communications by employing a display unit to…
Numerical Analysis: A fast fourier transform algorithm for real-valued series
A new procedure is presented for calculating the complex, discrete Fourier transform of real-valued time series. This procedure is described for an example where the…