#13268: Proposal of a DifferentialAlgebra package, relying on the C BLAD 
libraries
-------------------------------------+-------------------------------------
       Reporter:  boulier            |        Owner:  boulier
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-5.12
      Component:  packages:          |   Resolution:
  optional                           |    Merged in:
       Keywords:  package,           |    Reviewers:  Charles Bouillaguet,
  differential algebra, elimination  |  Karl-Dieter Crisman
  theory                             |  Work issues:
        Authors:  Nicolas M.         |       Commit:
  Thiéry, François Boulier, Charles  |     Stopgaps:
  Bouillaguet                        |
Report Upstream:  N/A                |
         Branch:                     |
   Dependencies:                     |
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Comment (by boulier):

 Dear vbraun,

 Thank you for your feedback. I really appreciate it.

 There are two ways to "view" differential algebra. Either you view it as
 an algebraic theory and then, you are right, the starting point should be
 a differential ring (that's the way Ritt and Kolchin books are written).
 Or you take a more engineering point of view: the starting point is the
 system of equations to be solved and differential algebra is one tool
 among others (such as numerical integration, bifurcation theory, ...) to
 investigate them. It is the point of view which was chosen for the design.
 Indeed, I believe this point of view is likely to be the most appealing
 for many scientists.

 The ideal scenario could look like this: A Sage user first enters the
 differential equations he/she wants to study. After many computations,
 he/she decides that differential algebra might be useful. He/she loads the
 package and applies its methods over the equations. He/she is very happy
 not to have convert all the time objects from one data type to another
 one.

 I hope my explanations make sense :-)

 All the best,
 François

--
Ticket URL: <http://trac.sagemath.org/ticket/13268#comment:17>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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