[sage-support] Re: Indexing by elements of a list

2011-09-03 Thread Jason Grout
On 9/3/11 2:33 AM, dkrumm wrote: Is there a data structure in Python that would allow me to do the following: I have a list of positive integer pairs, say [[1,2], [1,3], [2,5]]. For each pair [i,j] in my list I need to store in memory a number c[i,j] which is a floating point number with some la

[sage-support] Re: Indexing by elements of a list

2011-09-03 Thread dkrumm
The dictionary is exactly what I needed. Thanks! On Sep 3, 3:56 am, Simon King wrote: > Hi dkrumm, > > On 3 Sep., 09:33, dkrumm wrote: > > > Is there a data structure in Python that would allow me to do the > > following: > > > I have a list of positive integer pairs, say [[1,2], [1,3], [2,5]].

[sage-support] Re: Indexing by elements of a list

2011-09-03 Thread Simon King
Hi dkrumm, On 3 Sep., 09:33, dkrumm wrote: > Is there a data structure in Python that would allow me to do the > following: > > I have a list of positive integer pairs, say [[1,2], [1,3], [2,5]]. > For each pair [i,j] in my list I need to store in memory a number > c[i,j] Indeed, it is just a Py