A Manual Approach to One-Dimensional Minimization

[+] Author and Article Information
K. A. Afimiwala

ARO, Inc., Arnold Air Force Station, TN. 37389

R. W. Mayne

Dept. of Mechanical Engineering, State University of New York at Buffalo, Buffalo, N. Y. 14214

J. Mech. Des 101(2), 355-360 (Apr 01, 1979) (6 pages) doi:10.1115/1.3454062 History: Received July 17, 1978; Online October 21, 2010


An interactive method for manually performing one-dimensional searches is presented. The user computes the function at selected points and the results at each iteration are graphically displayed. As the shape of the function becomes apparent the minimum is readily identified. An experiment was designed to compare the performance of the manual scheme with that of an automated one-dimensional minimization method. Statistical analysis showed that at low accuracies the subjects performed as well as the automated procedure and that there was no significant difference among them. However, at higher accuracies the user’s performance seemed to depend on his natural ability and his effective use of the options for magnifying the display.

Copyright © 1979 by ASME
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