show a digit matrix with segmentation line

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HG
HG 2021-4-30
编辑： HG 2021-5-18
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Benjamin Großmann
Benjamin Großmann 2021-4-30
编辑：Benjamin Großmann 2021-4-30
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 个评论
HG
HG 2021-5-4
I want to show a matrix like this photo with black line boundaries.
how can I do this ?
Benjamin Großmann
Benjamin Großmann 2021-5-4
You can use patch() with properties 'FaceColor' and 'EdgeColor' to plot colored surfaces with black line boundaries.

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