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How to plot bar graph with colorscale?

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GULZAR
GULZAR on 26 Sep 2023
Commented: GULZAR on 27 Sep 2023
I need a bar graph like the picture given below for these values with colorjet. The points (1,0), (1,0.1), (1,0.2), (1,0.3), (1,0.4) and (1,0.5) with values respectively 0.725, 0.654, 0.543, 0.812, 0.698 and 0.456 And The points (2,0), (2,0.1), (2,0.2), (2,0.3), (2,0.4) and (2,0.5) with values respectively 0.628, 0.652, 0.783, 0.682, 0.758 and 0.765.
  2 Comments
Dyuman Joshi
Dyuman Joshi on 26 Sep 2023
What do these values mean? What is their significane and relation with each other?
GULZAR
GULZAR on 26 Sep 2023
Transmittance values with thickness variation from 0 to 0.5 with different two structures of optics

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Accepted Answer

檮杌
檮杌 on 27 Sep 2023
Edited: 檮杌 on 27 Sep 2023
Would this work for you?
thickness = ones(2,6)*0.1;
vals = [0.725, 0.654, 0.543, 0.812, 0.698, 0.456;
0.628, 0.652, 0.783, 0.682, 0.758, 0.765];
figure;
hb = barh(thickness ,'BarLayout','stacked','FaceColor','flat');
cmap = jet(256);
for i = 1:6
hb(i).CData = cmap(round(vals(:, i)*256),:);
end
cbar = colorbar;
ylabel(cbar, "Transmittance")
colormap(cmap);
xlabel("Thickness");
ylabel("Structure");
  4 Comments
檮杌
檮杌 on 27 Sep 2023
You can use "bar" instead of "barh" to swap X and Y axis.
Also, do not forget to change xlabel and ylabel too.

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