Computational Complexity of Mathematical Operations - Algebraic Functions

Algebraic Functions

Operation Input Output Algorithm Complexity
Polynomial evaluation One polynomial of degree n with fixed-size polynomial coefficients One fixed-size number Direct evaluation Θ(n)
Horner's method Θ(n)
Polynomial gcd (over Z or F) Two polynomials of degree n with fixed-size polynomial coefficients One polynomial of degree at most n Euclidean algorithm O(n2)
Fast Euclidean algorithm O(n (log n)2 log log n)

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