auxiliary equation

noun Mathematics.

Nearby words

  1. auxerre,
  2. auxesis,
  3. auxetic,
  4. auxiliaries,
  5. auxiliary,
  6. auxiliary language,
  7. auxiliary note,
  8. auxiliary power unit,
  9. auxiliary rafter,
  10. auxiliary rotor

characteristic equation


  1. the characteristic polynomial of a given matrix, equated to zero.
  2. Also called auxiliary equation with one variable and equated to zero, which is derived from a given linear differential equation and in which the coefficient and power of the variable in each term correspond to the coefficient and order of a derivative in the original equation.

Origin of characteristic equation

First recorded in 1920–25 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019