Discriminant meaning

dĭ-skrĭmə-nənt
The definition of a discriminant is some distinguishing characteristic or feature that allows someone or something to be separated from others.

Whether a plant is an annual or a perennial is an example of a discriminant.

noun
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Serving to discriminate.
adjective
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(algebra) An expression that gives information about the roots of a polynomial; for example, the expression D = b2 - 4ac determines whether the roots of the quadratic equation ax2 + bx + c = 0 are real and distinct (D > 0), real and equal (D = 0) or complex (D < 0).
noun
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(math.) An expression whose value or sign is used to classify functions.
noun
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An expression used to distinguish or separate other expressions in a quantity or equation.
noun
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Discriminant Sentence Examples

  • The discriminant is the resultant of ax and ax and of degree 8 in the coefficients; since it is a rational and integral function of the fundamental invariants it is expressible as a linear function of A 2 and B; it is independent of C, and is therefore unaltered when C vanishes; we may therefore take f in the canonical form 6R 4 f = BS5+5BS4p-4A2p5.

  • The way to get around the problem is to use a discriminant in the record declaration.

  • Conclusions The MDAS is a highly consistent and reliable measure which has good discriminant and concurrent validity.

  • By discriminant Chapter Index Here a type can be given a discriminant so that a whole family of types may be declared.

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Words near discriminant in the Dictionary