Zigzag matrix selection

Version 1.0.0.0 (1.96 KB) by Tyler Stephen
Traverses an mxn matrix in a zigzag order and keeps the first k elements. Others are set to zero.
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Updated 5 Feb 2017

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Written as part of DCT coefficient selection procedure for image compression. Might have other uses.
zigzag([1 2 6 7; 3 5 8 11; 4 9 10 12], 10)

ans =

1 2 6 7
3 5 8 0
4 9 10 0

Cite As

Tyler Stephen (2025). Zigzag matrix selection (https://www.mathworks.com/matlabcentral/fileexchange/61453-zigzag-matrix-selection), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2016b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0.0