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Bar graphs - color coding..

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sas0701
sas0701 2013-3-5
Hello,
I need to color code my bar graph.
a = [10 20 30 25 15] b = [1 3 2 1 4] bar(a)
BUT, I want a(1) and a(4) the same color because b(1) and b(4) = 1; a(2), a(3) and a(5) each a different color because b(2,3 and 5) are different.
Thanks, S

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2013-3-5
close
a = [10 20 30 25 15]
b = [1 3 2 1 4]
cl='rgbmc'
for k=1:numel(a)
bar(k,b(k),cl(b(k)))
hold on
end
set(gca,'Xtickmode','auto')
set(gca,'Xtick',1:k)

更多回答（1 个）

sas0701
sas0701 2013-3-5
Hi, For reasons beyond my control , I need to specify the colors colors = [0 0 1; %blue 1 0 1; %magenta 0 1 0; %green 1 0 0; %red 0 1 1; %cyan 1 1 0; %yellow 0 0 0; %black 1 0.5 0]; %orange
Is there anyway to do this in bar graph. The only problem seems to be orange as the others have a short name associated with it.
  2 个评论
Azzi Abdelmalek
Azzi Abdelmalek 2013-3-5
编辑：Azzi Abdelmalek 2013-3-6
close
a = [10 20 30 25 15]
b = [1 3 2 1 4]
cl= [0 0 1; 1 0 1;0 1 0;1 0 0; 0 1 1; 1 1 0; 0 0 0; 1 0.5 0];
for k=1:numel(a)
h=bar(k,b(k),'Facecolor',cl(b(k),:))
hold on
end
sas0701
sas0701 2013-3-6
Of course that works!! I had tried it before but yours works :) Thank you!

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