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show a digit matrix with segmentation line

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Answers (1)

Benjamin Großmann
Benjamin Großmann on 30 Apr 2021
Edited: Benjamin Großmann on 30 Apr 2021
matrix = [ 1 1 1 1 2 2 2 2;
1 1 1 2 2 2 2 2;
3 3 3 3 3 2 2 2;
3 3 3 3 3 3 3 3];
heatmap(matrix, 'Colormap', [1 0 0; 0 0 1; 0 1 0]) % <-- EDIT: colormap definition in heatmap function call changed
colorbar('off')
  2 Comments
Benjamin Großmann
Benjamin Großmann on 4 May 2021
You can use patch() with properties 'FaceColor' and 'EdgeColor' to plot colored surfaces with black line boundaries.

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