quadratic integerとは 意味・読み方・使い方

名詞

quadratic integer (複数形 quadratic integers)

1. (mathematics) A number (real または complex) which is a solution to an equation of the form ${\displaystyle x^{2}+Bx+C=0}$ for some integers B and C. For example 42, or 2+3i, or ${\displaystyle 1+{\sqrt {-3}} \over 2}$.

上位語

• algebraic integer
  • algebraic number

下位語

• Gaussian integer / Eisenstein integer
  • integer, rational integer
• phi, golden ratio