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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 ?
Velasco, "Developing local to near-regional explosion and earthquake discriminants," Bulletin of the Seismological Society of America, vol.
The other is based on statistical identification which includes Fisher discriminant classifier, logistic regression, unascertained measurement, and neural networks [12-14].
The selected lectures cover the topology and geometry of real singularities, singularities of mappings and the vanishing homology of images and discriminants, notes on non-isolated singularities, algorithms for primary decomposition in Singular, singularities of maps and characteristic classes, and centers and limit cycles in polynomial systems of ordinary differential equations.
Therefore, several characteristics time series are proposed: discriminants (3), discriminant coefficients (4), idempotent coefficients (5):
His primary topics include Hecke L- functions, Artin-Hecke L-functions, analytic properties of L- functions, explicit formulas, bounds on discriminants and conductors, non-vanishing theorems and, as an appendix, a survey of the local theory of root numbers.
Expressed sequence tags unannotated for function may be discriminants for disease associations (Chapter 9).
Additional specific ranges were devised, while the number of discriminants were reduced.
"The presence or absence of distant, massive clusters is one of the best discriminants between different models of the universe," agrees Martin J.
The purpose of this paper is to design and develop a credit risk rating model for Indian state-owned banks based on multivariate discriminant analysis (MDA) using both financial and non-financial variables and find which category of variables had the strongest impact within the given samples.
To improve the capability of LIBS technique, it has been employed in combination with discriminant function analysis to identify and differentiate between different kinds of polymers [6].
But other scientists are not as sanguine about this use of high frequencies as a discriminant, at least not yet.