10.1184/R1/6603464.v1
Mary Shaw
Mary
Shaw
J. F.(Joseph Frederick) Traub
J. F.
Traub
Analysis of a family of algorithms for the evaluation of a polynomial and some of its derivatives
Carnegie Mellon University
2005
Numerical analysis Computer programs.
Algorithms.
2005-12-01 00:00:00
Journal contribution
https://kilthub.cmu.edu/articles/journal_contribution/Analysis_of_a_family_of_algorithms_for_the_evaluation_of_a_polynomial_and_some_of_its_derivatives/6603464
<p>We have previously presented a new one parameter family of algorithms and a program for evaluating the first m derivatives of a polynomial of degree n. In this paper we analyze that family of algorithms and present practical algorithms for selecting optimal or good values of the parameter q.</p>
<p>A program for selecting the optimal value of q under the constraint that q divides n+1 is given. We also analyze a program that eliminates that constraint and a simple program that selects a good, but not always optimal, value of q. We derive bounds on how close to optimal the "good" value will be.</p>
<p>The above results apply for n > 12. We extend the results to all n by tabulating the cost function for n≤12.</p>
<p>Some open questions on extensions of our results are stated</p>