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Recent questions tagged combinatory

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1
How many pairs $(x,y)$ such that $x+y <= k$, where x y and k are integers and $x,y>=0, k > 0$. Solve by summation rules. Solve by combinatorial argument.
asked Jun 8 in Combinatory dd 362 views
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2
The remaining exercises in this section develop another algorithm for generating the permutations of $\{1, 2, 3,\dots,n\}.$ This algorithm is based on Cantor expansions of integers. Every nonnegative integer less than $n!$ ... respect to the correspondence between Cantor expansions and permutations as described in the preamble to question $14.$ $3$ $89$ $111$
asked May 1 in Combinatory Lakshman Patel RJIT 43 views
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3
The remaining exercises in this section develop another algorithm for generating the permutations of $\{1, 2, 3,\dots,n\}.$ This algorithm is based on Cantor expansions of integers. Every nonnegative integer less than $n!$ ... an algorithm for producing all permutations of a set of n elements based on the correspondence described in the preamble to question $14.$
asked May 1 in Combinatory Lakshman Patel RJIT 24 views
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4
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5
The remaining exercises in this section develop another algorithm for generating the permutations of $\{1, 2, 3,\dots,n\}.$ This algorithm is based on Cantor expansions of integers. Every nonnegative integer less than $n!$ ... . Find the Cantor digits $a_{1}, a_{2},\dots,a_{n−1}$ that correspond to these permutations. $246531$ $12345$ $654321$
asked May 1 in Combinatory Lakshman Patel RJIT 21 views
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