Actually, after working through the algorithm presented in the wiki, I 
think my implementation is basically equivalent given the data structures 
I'm using. :|

On Monday, May 21, 2012 9:27:01 AM UTC-4, Brent Millare wrote:
>
>
>
> On Monday, May 21, 2012 7:11:01 AM UTC-4, Martin Jul wrote:
>>
>> Symbolic computation sounds like a really great project! 
>>
>> For your specific problem of sorting the dependencies, you can do a 
>> "topological sort" of the dependency graph of your equations in linear time 
>> (given there are no cyclic dependencies, otherwise it would detect the 
>> failure). There are standard algorithms to do that.
>>
>>
> I ended up coding my own hand solution but I started from the leaves and 
> worked towards the root nodes. I'll try the topological sort + reverse list 
> approach and then compare performances. The topological sort code looks 
> much simpler.
>

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