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PolynomialTools[GreatestFactorialFactorization] - compute a greatest factorial factorization of a univariate polynomial
Calling Sequence
GreatestFactorialFactorization(f,x)
Parameters
f
-
polynomial in x
x
indeterminate
Description
The GreatestFactorialFactorization command computes a greatest factorial factorization of f w.r.t. x. It satisfies the following properties.
for
is constant w.r.t. x, and are nonconstant primitive polynomials w.r.t. x, and are integers.
The greatest factorial factorization is unique up to multiplication by units.
GreatestFactorialFactorization can handle the same types of coefficients as the Maple function gcd.
If f is constant w.r.t. x, then the return value is .
Partial factorizations of the input are not taken into account.
Examples
See Also
gcd, pochhammer, PolynomialTools, PolynomialTools[ShiftlessDecomposition], PolynomialTools[Translate], sqrfree
References
Paule, Peter. "Greatest factorial factorization and symbolic summation." Journal of Symbolic Computation Vol. 20, (1995): 235-268.
Gerhard, Juergen. "Modular algorithms for polynomial basis conversion and greatest factorial factorization." Proceedings of the Seventh Rhine Workshop on Computer Algebra, RWCA pp. 125-141 ed. T. Mulders, 2000.
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