Discriminant (disambiguation) explained

The discriminant of a polynomial is a quantity that depends on the coefficients and determines various properties of the roots.

Discriminant may also refer to its various generalizations:

Mathematics

• Discriminant of an algebraic number field
• Discriminant of an elliptic curve
• Discriminant of a quadratic form
• Discriminant of a real-valued function
• Fundamental discriminant
• Modular discriminant

Medicine

• Modified Maddrey's discriminant function

Psychology

• Discriminant validity

Statistics

• Discriminant analysis
• Kernel Fisher discriminant analysis
• Multiple discriminant analysis