Is there a way to define a recursion such that the rules of the recursion are also subject to change?











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Is it possible to use recursion to alter the rules of a sequence's own recursion in some way? In my mind it would look something like the composition of many generating functions.










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  • You could use piecewise functions over the indices: $x_{n+1} := f(x_n)$ if $n$ is even; $g(x_n)$ if $n$ is odd. And such.
    – Rócherz
    Nov 18 at 8:11










  • Thank you very much
    – Jayden Rivers
    Nov 21 at 9:46















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favorite












Is it possible to use recursion to alter the rules of a sequence's own recursion in some way? In my mind it would look something like the composition of many generating functions.










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  • You could use piecewise functions over the indices: $x_{n+1} := f(x_n)$ if $n$ is even; $g(x_n)$ if $n$ is odd. And such.
    – Rócherz
    Nov 18 at 8:11










  • Thank you very much
    – Jayden Rivers
    Nov 21 at 9:46













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0
down vote

favorite









up vote
0
down vote

favorite











Is it possible to use recursion to alter the rules of a sequence's own recursion in some way? In my mind it would look something like the composition of many generating functions.










share|cite|improve this question













Is it possible to use recursion to alter the rules of a sequence's own recursion in some way? In my mind it would look something like the composition of many generating functions.







recursion






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asked Nov 18 at 7:27









Jayden Rivers

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  • You could use piecewise functions over the indices: $x_{n+1} := f(x_n)$ if $n$ is even; $g(x_n)$ if $n$ is odd. And such.
    – Rócherz
    Nov 18 at 8:11










  • Thank you very much
    – Jayden Rivers
    Nov 21 at 9:46


















  • You could use piecewise functions over the indices: $x_{n+1} := f(x_n)$ if $n$ is even; $g(x_n)$ if $n$ is odd. And such.
    – Rócherz
    Nov 18 at 8:11










  • Thank you very much
    – Jayden Rivers
    Nov 21 at 9:46
















You could use piecewise functions over the indices: $x_{n+1} := f(x_n)$ if $n$ is even; $g(x_n)$ if $n$ is odd. And such.
– Rócherz
Nov 18 at 8:11




You could use piecewise functions over the indices: $x_{n+1} := f(x_n)$ if $n$ is even; $g(x_n)$ if $n$ is odd. And such.
– Rócherz
Nov 18 at 8:11












Thank you very much
– Jayden Rivers
Nov 21 at 9:46




Thank you very much
– Jayden Rivers
Nov 21 at 9:46















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