randone1

Version 1.0.0.0 (1.02 KB) by Jos (10584)
random array with one 1 per row (and column)
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Updated 17 Jun 2016

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randone1 - produces a random array with one 1 per row and column
randone1(N) returns a N-by-N square array with zeros and N ones,
randomly distributed so that each row and each column contains a one 1.

randone1(N,M) where M > N returns a N-by-M array with zeros and N ones,
again with one 1 per row, randomly distributed over the M columns.

Examples
randone1(4,5)
% could yield [0 1 0 0 0 ; 0 0 0 1 0 ; 0 0 0 0 1 ; 0 0 1 0 0]

See also rand, randperm, sort,
nones, randswap (File Exchange)

Cite As

Jos (10584) (2024). randone1 (https://www.mathworks.com/matlabcentral/fileexchange/57725-randone1), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2016a
Compatible with any release
Platform Compatibility
Windows macOS Linux
Categories
Find more on Creating and Concatenating Matrices in Help Center and MATLAB Answers
Acknowledgements

Inspired by: shake, NTRUE, RANDSWAP

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Version Published Release Notes
1.0.0.0