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Feature #630

Add graeffe function?

Added by John Abbott almost 4 years ago. Updated 7 months ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
New Function
Target version:
Start date:
25 Sep 2014
Due date:
% Done:

100%

Estimated time:
15.15 h
Spent time:

Description

Add a new fn graeffe which transforms a polynomial into one whose roots are the squares of the root of the original polynomial.

What should it do with multivariate polynomials?

History

#1 Updated by John Abbott almost 4 years ago

If I recall correctly, Bini said that graeffe can also be done for polynomial systems. Right now I cannot see when it might be useful, and I'm not even sure I understand what it really is.

#2 Updated by John Abbott 9 months ago

  • Status changed from New to Feedback
  • Assignee set to John Abbott
  • % Done changed from 0 to 90

Added code; doc; example.
Also made accessible to CoCoA-5.

#3 Updated by John Abbott 7 months ago

  • Status changed from Feedback to Closed
  • Target version changed from CoCoALib-0.99999 to CoCoALib-0.99560
  • % Done changed from 90 to 100
  • Estimated time set to 15.15 h

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