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Counting lattice path with Sage

asked 2021-01-07 18:21:18 +0200

oldani gravatar image

updated 2021-01-07 18:21:38 +0200

Quite newbie with Sage but I try to count very standard lattice path with steps (1,0) and (0,1) on a grin (0,0) to (m,n) for positive integers n and m. I want also put constraints like for example "not touching the main. diagonal".

I can program it but maybe there are Sage libraries that can help me?

Thanks for any suggestions Gianfranco

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answered 2021-01-07 18:26:01 +0200

slelievre gravatar image

Sage has rich functionality in combinatorics.

In particular Dyck words are implemented and can be plotted using N and E steps, or NE and SE steps.


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Asked: 2021-01-07 18:21:18 +0200

Seen: 227 times

Last updated: Jan 07 '21