discriminant

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. 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).
  2. The invariant (on the vector space of forms of degree d in n variables) that vanishes exactly when the corresponding hypersurface in Pⁿ⁻¹ is singular.
形容词 adj.
  1. Serving to discriminate.

词形变化

discriminants plural more discriminant comparative most discriminant superlative

词汇关系

衍生词
discriminantal discriminant function discriminantly multidiscriminant nondiscriminant
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