how to change the colors of bars in a bar graph?

Question

Schamun 2012-7-18

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/43949-how-to-change-the-colors-of-bars-in-a-bar-graph

回答： Image Analyst 2016-9-17

i have the following code, which generates bar graphs. i want to set the colors of all the leftbars to one color,all middle bars to another color and the right bar to a separate color. can anyone help me out

leftBarCenter  = 5;
rightBarCenter = 10;
leftBarCenter1 = 15;
rightBarCenter1 = 20;
leftBarCenter2 = 25;
rightBarCenter2 = 30;
leftBarCenter3 = 35;
rightBarCenter3 = 40;
leftBarCenter4 = 45;
rightBarCenter4 = 50;
desiredWidth = 7;
figure;%(1)
bar([leftBarCenter rightBarCenter leftBarCenter1  rightBarCenter1 leftBarCenter2  rightBarCenter2 leftBarCenter3  rightBarCenter3 leftBarCenter4 rightBarCenter4],[success success1 success2 success3 success4 success5 success6 success7 success8 success9 ]);
xlabel('Fspl,Rician,Rayleigh')
ylabel('Success')
axis([0 80 0 120])
title('Success Probability of BPSK,QPSK,16-QPSK,16-QAM & 64-QAM')

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Answer 1

Conrad 2012-7-18

2
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https://ww2.mathworks.cn/matlabcentral/answers/43949-how-to-change-the-colors-of-bars-in-a-bar-graph#answer_53925

在 MATLAB Online 中打开

You could try a similar approach to the one given below (just extend it for your purposes):

p1X = [1 2 3]; p1Y = [1 4 5];
p2X = [4 5 8]; p2Y = [1 5 2];
p1 = bar(p1X,p1Y);
hold on;
p2 = bar(p2X,p2Y);
set(p1,'FaceColor','red');
set(p2,'FaceColor','blue');