October 1963 Table of Contents | Communications of the ACM

Home → Magazine Archive → October 1963 (Vol. 6, No. 10)

Letters to the editor: three letters on merging

Donald E. Knuth, Martin A. Goetz

Page 585

Letters to the editor: correction to FUSBUDET

Misako Konda

Page 587

Report on proposed American standard flowchart symbols for information processing

This paper presents the essential contents of the Proposed American Standard Flowchart Symbols for Information Processing. This is the first proposed standard prepared by Subcommittee X3.6 on Problem Description and Analysis …

Robert J. Rossheim

Pages 599-604

Format-free input in FORTRAN

M. J. Bailey, M. P. Barnett, R. P. Futrelle

Pages 605-608

Variable width stacks

Character addressable, variable field computers permit ready establishment and manipulation of variable width stacks. Single machine commands may push variable field items down into such stacks or pop them up. The availability …

Naomi Rotenberg, Ascher Opler

Pages 608-611

An experiment in automatic verification of programs

How effective is a compiler at replacing explicit verification, and what is the cost of this technique?

G. M. Weinberg, G. L. Gressett

Pages 610-613

Partioning algorithms for finite sets

The partitions of a set with n elements are represented by certain n-tuples of positive integers. Algorithms are described which generate without repetitions the n-tuples corresponding to: (1) all partitions of the given set, …

George Hutchinson

Pages 613-614

Algorithm 208: discrete convolution

William T. Foreman

Pages 615-616

Algorithm 207: stringsort

J. Boothroyd

Page 615

Algorithm 209: Gauss

D. Ibbetson

Page 616

Algorithm 210: Lagrangian interpolation

George R. Schubert

Page 616

Algorithm 211: Hermite interpolation

George R. Schubert

Page 617

Algorithm 213: Fresnel integrals

Malcolm D. Gray

Page 617

Algorithm 212: frequency distribution

Malcolm D. Gray

Page 617

Remark on algorithm 123: ERF

D. Ibbetson

Page 618

Certification of algorithm 27: assignment

Albert Newhouse

Page 618

Certification of algorithm 160 combinatorial of M things taken N at a time

Robert F. Blakely

Page 618

Remark on algorithms 88, 89, and 90 evaluation of the Fresnel integrals

Malcolm D. Gray

Page 618

Remark on algorithm 157: Fourier series approximation

George R. Schubert

Page 618

Certification of algorithm 161: combinatorial of M things taken one at a time, two at a time, up to N at time

David H. Collins

Page 619

Certification of algorithm 173: assign

R. S. Scowen

Page 619

Certification of algorithm 173: assign

Z. Filsak, L. Vrchoveká

Page 619

Certification of algorithm 175: shuttlesort

George R. Schubert

Page 619

Certification of algorithm 210: Hermite interpolation

Thomas A. Dwyer

Page 619

A contour-map program for x-ray crystallography

A FORTRAN program is described for use with the IBM 7090 system and an x, y-plotter to produce a contour map. A matrix of points evenly spaced in each dimension is contoured. Scale factors along the axes may be different and …

M. O. Dayhoff

Pages 620-622

DATA-DIAL: two-way communication with computers from ordinary dial telphones

An operating system is described which allows users to call up a remotely located computer from ordinary dial telephones. No special hardware or connections are required at the users' telephones. Input to the computer is through …

Thomas Marill, Daniel Edwards, Wallace Feurzeig

Pages 622-624

A numerical method for the determination of moving field isodose curves for treatment plannning in radiotherapy

Glenn V. Dalrymple, Ruheri Perez-Tamayo

Pages 625-626

An automatic data acquisition and inquiry system using disk files

Lockheed Missiles and Space Company has installed a large-scale Automatic Data Acquisition (ADA) system which ties together the Company's manufacturing facilities located in Van Nuys and Sunnyvale, California. The system includes …

James D. Edwards

Pages 626-630

Use of the disk file on stretch

The paper begins by briefly describing the Stretch (IBM 7030) computer with special emphasis given to the organization and operation of its input-output equipment. Physical characteristics of the two-disk system (4,194,304 72 …

B. G. Carlson, E. A. Voorhees

Pages 631-634

A comparison of disks and tapes

The principal characteristics of current magnetic disks and tape units are summarized and compared. Some of the characteristics of disk files are illustrated in a sorting example and compared to a tapesort. The conclusion is …

Herman Hess

Pages 634-638

An extension of Fibonaccian search to several variables

A technique which uses Fibonaccion search concepts has been developed to solve optimization problems involving unimodal functions of several variables. The technique has not been proven to be optimal in the sense that the one …

P. Krolak, L. Cooper

Pages 639-641

Computation's development critical to our society

The ACM's growth continues: we are now at 13,000 members; expenses also grow. Our professional membership does not spring from a uniformly trained group as in mathematics or physics or even economics. Instead, our increasing …

Alan J. Perlis

Page 642

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