Sign Changes of Linear Combinations of Derivatives of Polya Frequency Functions,

Abstract

The authors obtain upper bounds on the number of sign changes of linear combinations of derivatives of Polya frequency functions using the variation dimishing properties of totally positive functions. These constitute extensions of earlier results of Karlin.

Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1975
Accession Number
ADA020996

Entities

People

  • Frank Proschan
  • Steven Nahmias

Organizations

  • Florida State University

Tags

DTIC Thesaurus Topics

  • Behavior And Behavior Mechanisms
  • Behavioral Disciplines And Activities
  • Behavioral Sciences
  • Cooperation
  • Frequency
  • Group Dynamics

Fields of Study

  • Mathematics

Readers

  • Approximation Theory.