axiom-mail
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Axiom-mail] A little print problem


From: Francois Maltey
Subject: Re: [Axiom-mail] A little print problem
Date: 16 Oct 2007 18:32:01 +0200
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.4

Martin counsels a smart union of type :

> (24) -> for i in 0..7 repeat print([i, x^i]$List Union(INT, F))
> 
> The "problem" is not print, but rather that the simplest signature for the
> constructor function in [i, x^i] the interpreter can find takes some F's and
> returns a List F.  Above I explicitly told the interpreter to use the
> constructor function that takes Union(INT, F)'s and returns a list of such
> elements. 

Yesterday I was looking for a cartesian product, INT x F
Today Alasdair is looking for a cartesian product.

Cartesian products are very common in mathmeatics 
and axiom seems to have no natural way to work arround this notion.

F.




reply via email to

[Prev in Thread] Current Thread [Next in Thread]