Questions tagged [recursion]
For questions about defining recursive functions, recursive algorithms and solving recursive equations.
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How to Set Precision for an RSOLVE Problem
The following code was working fine -- now it produces errors. I originally built this in ver 13.1 and I'm now running ver 14. I think I'm getting machine precision errors after k=11 that were not ...
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Finding a sequence with RecurrenceTable
I would appreciate if somebody could help me with the following problem:
Q: How can the following recursion equations be solved using RecurrenceTable?
$\...
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How to fix parameter locally for iterating recursion equations
The following is a simplified version of a more detailed problem.
I have two coupled recursion equations of two variables, x and y. One equation also depends on a parameter, c:
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Adding non adjacent elements in a list
I've been stuck on a simple problem for a while. Let's say you have a list of any length:
{a,b,c}
How do you recursively add the first and last element of the list ...
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Writing a program that divide numbers until I hit a one digit number
Well, I have the following question:
How can I write a program such that an input number $n$ is divided by the number $k$ as long as the resulting number does not have one digit, if the resulting ...
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Return[] in Recursive Functions [duplicate]
Here is the pseudocode I am using to demonstrate the problem.
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RecurrenceTable vs For loop : they do not give the same results. Why?
I have a second-order recurrence equation that I want to plot.
I've used two different methods.
The first uses RecurrenceTable, the second uses a traditional ...
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Most efficient way of defining the following sets for every step $n$
For each $n\in\mathbb{N}$, how do we compute sets $A_n$ and $B_n$ below:
Let $A_1=[0,2/3)$. Let $B_1=(2/3,1]$.
If $A_n$ is a union of intervals, then for each interval cut out the
middle $1/2^{n+1}$ ...
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Create a list that always ends with two 1's but starts with a variable amount of 0's
I want to create a variable list like this:
{0, 0, ..., 0, 0, 1, 1}
This list would grow list this, starting with no 0's, but then gaining more 0's to the left the ...
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RSolve does not evaluate this recursion with two boundary conditions
I am using RSolve to solve for a function defined recursively, with two boundary conditions:
First boundary condition describes the relationship between $f(1)$ and $f(0)$
Second boundary condition ...
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Strange errors of exceeding RecursionLimit in a function with two arguments, one set delayed and one fixed
INTRODUCTION
Hi. I feel a bit embarrased asking this question as the answer may be staring me in the face and there are at least two other stackexchange articles related to it.
MINIMAL WORKING EXAMPLE
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How to implement If criteria for the NestList-Function
I have a function which bisects a list in two parts recursively. Unfortunately I have to select a number of iterations for the NesList-function which is just an ...
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Root finding for holomorphic functions, II
This is a follow-up to my question Root finding for holomorphic functions. I am trying to compute $10^6$ zeros of the derivative of the Riemann zeta function $\zeta(s)$ in the critical strip near ...
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