avg

Contents: Description, Arguments, Usage, Examples Supported Under Version: >1.69 Current Davinci Version: 2.27 64-bit Safe: Yes Description The avg() function computes the statistical average along one or more axis. If no axis is specified, then the average is computed along all three. Arguments and Return Values avg() always returns a DOUBLE. Usage If an ignore value is specified, then any element that is equal to the ignore value is not included in the computation. If all the values in the computation are equal to the ignore value, then the output is set to the ignore value. If the both flag is set (both=1), then avg returns a structure containing the both the avg and stddev. Note: The avg function uses a one-pass accumulator that can experience round off error with lots of numbers. Examples dv> a 3x3x1 array of float, bsq format [36 bytes] 0.296204 0.512341 0.0492002 0.914697 0.319797 0.274103 0.875370 0.896324 0.00839178 dv> avg(a) 0.460714 dv> avg(a,axis=y) 3x1x1 array of double, bsq format [24 bytes] 0.695424 0.576154 0.110565 dv> avg(a,axis=x) 1x3x1 array of double, bsq format [24 bytes] 0.285915 0.502866 0.593362

DavinciWiki Mini-Nav Bar Contents Functions Function Categories Common Procedures Glossary Download Davinci Change Log News Mailing List Contact Developers davinci-dev [AT] mars.asu.edu All other topics See navigation on the left Recent Core Changes Change Log Modified On: 12-05-2010