NTRUE

Logical array with a specific number of true values
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Updated Fri, 15 Sep 2006 15:07:34 +0000

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NTRUE - Logical array with a specific number of true values
NTRUE(N,P,Q, ...) or NTRUE(N,[P Q ...]) creates a logical array of size
[P Q ...] with N randomly positioned true values. NTRUE(N,P) is short for
NTRUE(N,P,P). All arguments (N,P,Q,...) are positive scalars.

NTRUE(N) creates a N-ny-N matrix with N true values.

Example:
NTRUE(5,3,4) % creates a 3-by-4 matrix with 5 true (and 7 false)
values, for instance:
% 0 0 0 0
% 1 1 0 0
% 1 0 1 1

See also TRUE, FALSE, ONES, ZEROS,
and SLM, SHAKE, NONES (on the MatLab FEX)

Cite As

Jos (10584) (2024). NTRUE (https://www.mathworks.com/matlabcentral/fileexchange/10924-ntrue), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R13
Compatible with any release
Platform Compatibility
Windows macOS Linux
Acknowledgements

Inspired: randone1

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Version Published Release Notes
1.0.0.0

(sep 2006)
- algorithm after all checks
- replaced call to randperm by a direct call to sort