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logarithm
(redirected from logarithmical)

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logarithm
a mathematical device.
common logarithm
the value of the power when a number is expressed as to the power of 10 (has the base 10). Thus 100 expressed as to the power of 10 is 102 and the log of 100 is 2.
Napierian logarithm
see natural logarithm (below).
natural logarithm
as for common logarithm, except that the base is e or 2.178. Called also Napierian logarithm.
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For 56% of those with a modified correction, there was an improvement in distance visual acuity of at least one logarithmical step (or one line on the acuity chart); for 1 person, distance visual acuity improved seven logarithmical steps.
Prevalence of visual impairments in adults with cognitive and ... by Henriksen, Anne; Degenhardt, Sven / Journal of Visual Impairment & Blindness
10) were calculated for 67 values of r spread over the interval <4, 75> equidistantly in logarithmical scale, and for 15 values of q equidistantly spread in the interval <0, 15> giving a total of 1005 features for each image.
Fractal image feature vectors with applications in fractography by Lauschmann, Hynek; Bednarik, Petr; Sekeresova, Zuzana; Benes, Michal / Image Analysis and Stereology
50] values was performed by a semilogarithmical presentation and logarithmical regression analysis.
Prostaglandin-H-synthase (PGHS)-1 and -2 microtiter assays for the ... by Reininger, E.A.; Bauer, R. / Phytomedicine: International Journal of Phytotherapy & Phytopharmacology
 
 
 
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