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Posts tagged combinatorics

6 posts

Tag Only Tag + Children

60%

+1 −0

Q&A How's it possible to arrange 0 objects? How can 0! = 1?

3 answers · posted 10d ago by DNB‭ · edited 7d ago by Quintec‭

Question combinatorics

40%

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Q&A Can the bijection for the Lost Boarding Pass Probability Problem, be formulated or pictured?

1 answer · posted 3mo ago by DNB‭ · last activity 3mo ago by r~~‭

Question combinatorics

71%

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Q&A What does the distribution of a strictly increasing random walk look like if you stop at `N` steps?

0 answers · posted 3mo ago by SherlockSage‭ · edited 3mo ago by SherlockSage‭

Question combinatorics

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Q&A $\sum_{k=0}^{n} \binom{n}{k}=2^{n} \overset{?}{\iff} \sum_{k=0}^{n} \binom{2n+1}{k}=2^{2n}$

1 answer · posted 6mo ago by DNB‭ · edited 6mo ago by DNB‭

Question combinatorics

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Q&A What's the bijection between Stars and Bars and Integer Solutions to an Equality?

0 answers · posted 6mo ago by DNB‭

Question combinatorics

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Q&A Are Stars and Bars in Combinatorics related to the Fence Post Error?

0 answers · posted 6mo ago by DNB‭

Question combinatorics