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multicolor bar graph using long vectors

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Dan
Dan 2011-11-29
Hello,
I am trying to create a bar graph with one vector of positive numbers and one vector of negative numbers on the same graph. For example:
x = 1:100;
y = -(1:100);
bar(x,'b')
hold on
bar(y,'r')
This works fine!!
The problem is my vectors are 1370 x 1 variables and the same code does not work for long vectors...
x = 1:1370;
y = -(1:1370);
bar(x,'b')
hold on
bar(y,'r')
This creates blue bars for x, but creates black bars for y. Can anyone help me with this problem?!
Thanks, Dan

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采纳的回答

Walter Roberson
Walter Roberson 2011-11-29
"black bars" usually means bars that are so close together that the black edge around them runs together.
Try using
bar(y, 'r', 'Edgecolor', 'none')

更多回答（1 个）

Dan
Dan 2011-11-29
Thank you both for the help! Walter your solution worked just fine!
Thanks again!

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