Extract and Join Matrix

Version 1.0.1 (2.3 KB) by Hernia Baby
Create new matrix with extracting Non-zero submatrix.
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Updated 20 Mar 2021

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This code extracts submatrix ~= 0
and creates new matrix combining subs.

dataMat =
0 0 0 0 0 0 0 0 0 0 0 0
0 1 1 1 0 0 0 0 0 0 0 0
0 1 1 1 0 0 0 3 3 3 0 0
0 1 1 1 0 0 0 3 3 3 0 0
0 0 0 0 0 0 0 3 3 3 0 0
0 0 2 2 2 0 0 0 0 0 0 0
0 0 2 2 2 0 0 0 4 4 4 0
0 0 2 2 2 0 0 0 4 4 4 0
0 0 0 0 0 0 0 0 4 4 4 0

|
V

resultMat =
1 1 1 3 3 3
1 1 1 3 3 3
1 1 1 3 3 3
2 2 2 4 4 4
2 2 2 4 4 4
2 2 2 4 4 4

Cite As

Hernia Baby (2026). Extract and Join Matrix (https://in.mathworks.com/matlabcentral/fileexchange/89017-extract-and-join-matrix), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2021a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.1

fixed code a little bit
1.0.0