Count alternating permutations - MATLAB Cody - MATLAB Central

Problem 46037. Count alternating permutations

Difficulty:Rate
In an alternating permutation of numbers 1 to n, the numbers are arranged so that they alternately increase and decrease. For example, there are five alternating permutations of the numbers 1, 2, 3, and 4:
1 3 2 4
1 4 2 3
2 3 1 4
2 4 1 3
3 4 1 2
Write a function to count the alternating permutations for a set of n numbers.
Suggestion: You might also try Cody Problem 46034.

Solution Stats

70.59% Correct | 29.41% Incorrect
Last Solution submitted on Aug 26, 2024

Problem Comments

Solution Comments

Show comments
PIVlab surpasses 100K all-time File Exchange downloads
During the past twelve months, PIVlab, a MATLAB Community Toolbox for particle...
4
8
LLMs with MATLAB updated to support the latest OpenAI Models
Large Languge model with MATLAB, a free add-on that lets you access...
2
4

Problem Recent Solvers10

Suggested Problems

More from this Author298

Problem Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!