change the color of bar

*I want to assign a secific color to each column ('r','g' and 'b'). I also want to show the bars as grouped. Any suggestion please? *

y=rand(9,3)
bar(y)

Answer 1

[Grzegorz Knor]

http://www.mathworks.com/matlabcentral/answers/15298-color-histogram-as-a-function-of-x-axis

http://www.mathworks.com/matlabcentral/answers/16286-making-complex-ish-bar-graphs

[Hassan]

thanks for the comment. i forgot to mention i want the bars as grouped.

[Hassan]

bar(y(:,1),'r')

hold on

bar(y(:,2),'g')

hold on

bar(y(:,3),'b')