NUMERICAL SOLUTIONS OF POLYNOMIAL EQUATIONS

Abstract

The report describes the FORTRAN Subroutine POLYR and a related complete program BRL-RSSR for finding all roots (real and complex) of a real polynomial equation P(x) = Summation from i = o to i = N of ((A sub i)(x to the power (N-i)))=0. The method which is used combines the root squaring and the subresultant (extracting quadratic factors) procedures for calculating all roots, even multiple roots, of real polynomials. Reconstruction of the coefficients serves as a means of checking.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1968
Accession Number
AD0676108

Entities

People

  • Henry Wisniewski
  • Tadeusz Leser

Organizations

  • Ballistic Research Laboratory

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Applied Mathematics
  • Arithmetic
  • Classification
  • Coefficients
  • Computer Programs
  • Computers
  • Computing Devices
  • Digital Computers
  • Equations
  • Instructions
  • Mathematics
  • Polynomials
  • Precision
  • Procedures (Computers)

Fields of Study

  • Mathematics

Readers

  • Computer Science.
  • Linear Algebra