direction ratios

direction ratios

[di′rek·shən ‚rā·shōz]
(mathematics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The effect of movement direction on performance was quantified by the computed direction ratios, which are the ratio of average performance when the cursor task was diagonal in nature (i.e., required both x and y movements) to the average performance when the cursor task required only an x or only ay command.
Direction ratios for participant with spinal cord injury (SCI) and previously published nondisabled data (denoted by asterisk).
Six performance measures were used to quantify command source effectiveness: throughput, path efficiency, overshoot, reaction time, average speed, and direction ratio.

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