nCtwo

Version 1.0.0.0 (1.54 KB) by Simone Scaringi
All combinations of N elements taken two at the time.
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Updated 29 May 2008

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Usage - vec=nCtwo(dat) where dat is a vector of length N, produces a matrix with N*(N-1)/2 rows and 2 columns. Each row of the result vec has two of the elements in the vector dat. Similar to the MATLAB function NCHOOSEK(dat,2) but much faster.

Cite As

Simone Scaringi (2024). nCtwo (https://www.mathworks.com/matlabcentral/fileexchange/20110-nctwo), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14
Compatible with any release
Platform Compatibility
Windows macOS Linux
Categories
Find more on Linear Algebra in Help Center and MATLAB Answers
Acknowledgements

Inspired: nchoose2, VChooseK

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Version Published Release Notes
1.0.0.0