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Discriminator vs Discriminant - What's the difference?

discriminator | discriminant |

As nouns the difference between discriminator and discriminant

is that discriminator is a person who discriminates or differentiates while discriminant is 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).

As an adjective discriminant is

serving to discriminate.

discriminator

English

Noun

(en noun)
  • A person who discriminates or differentiates
  • (physics) Any of several electronic devices that convert some property of a signal into an amplitude whose value is proportional to the difference between the value of the input signal and that of a standard
  • A feature of the seller's offering that: 1) differs from a competitor's offering and 2) is important to this buyer
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    discriminant

    Noun

    (en noun)
  • (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).
  • The invariant (on the vector space of forms of degree d'' in ''n'' variables) that vanishes exactly when the corresponding hypersurface in P''n -1 is singular.
  • Adjective

    (en adjective)
  • Serving to discriminate.
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