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Related to Discrimant: discriminant function


An expression used to distinguish or separate other expressions in a quantity or equation.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Mathematics) an algebraic expression related to the coefficients of a polynomial equation whose value gives information about the roots of the polynomial: b2 – 4ac is the discriminant of ax2 + bx + c = 0.
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(dɪˈskrɪm ə nənt)

a relatively simple mathematical expression that determines some of the properties, as the nature of the roots, of a given equation or function.
[1830–40; < Latin discrīminant-, s. of discrīmināns, present participle of discrīmināre to divide up, separate]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Notwithstanding, this method is grounded on non-flexible Linear Discrimant Analysis (LDA) classifier.
Pharmacological Distribution Diagrams (PDD) and separate Receiver Operating Characteristic (ROC) curves were constructed for both the training and test sets, in order to select the discrimant function score threshold value determining and adequate sensitivity/specificity ration, to be used in the VS campaign [43, 44].
One-way ANOVA tests applied to the densities of abundant microphytoplankton and using as discrimant factors: tide (Neap x Spring); seasons (summer x winter), and year (2006 x 2007); showed significant differences (p < 0.05) between years (number of samples = 126; F = 11.8; p = 0.0008) and to a lesser extent between tides (number of samples = 126; F = 13.79; p = 0.0003), showing no seasonal significant variability.
Concurrent and discrimant validity of the Kansas Marital Satisfaction Scale.