CubicRealPolynomial

CubicRealPolynomial()
Core/CubicRealPolynomial.js 15

Defines functions for 3rd order polynomial functions of one variable with only real coefficients.

Methods

staticCesium.CubicRealPolynomial.computeDiscriminant(a, b, c, d) → Number
Core/CubicRealPolynomial.js 26

Provides the discriminant of the cubic equation from the supplied coefficients.
Name Type Description
a Number The coefficient of the 3rd order monomial.
b Number The coefficient of the 2nd order monomial.
c Number The coefficient of the 1st order monomial.
d Number The coefficient of the 0th order monomial.
Returns:
The value of the discriminant.

staticCesium.CubicRealPolynomial.computeRealRoots(a, b, c, d) → Array.<Number>
Core/CubicRealPolynomial.js 165

Provides the real valued roots of the cubic polynomial with the provided coefficients.
Name Type Description
a Number The coefficient of the 3rd order monomial.
b Number The coefficient of the 2nd order monomial.
c Number The coefficient of the 1st order monomial.
d Number The coefficient of the 0th order monomial.
Returns:
The real valued roots.