PLOTTING BAR GRAPHS with different colors
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I have data stored in an array A from 1 to 400: A[1] =0, A[2]= 66.56, A[3]= 64.8, A[4]=56.8.....A[10] = 54.3, A[11]=73.3 ......... A[400] = 76.5
I wish to plot a bar graph in such a manner A[1] to A[10] in red color and A[11] to A[400] in blue color in a same graph. Can any one help me in this?
采纳的回答
Try this —
A = rand(1,400);
x = 1:400;
figure
hb = bar(x, A);
hb.FaceColor = 'flat';
hb.CData(1:10,:) = [ones(10,1) zeros(10,2)];
xlim([0 50]) % Zoom To See Detail (Delete Later)
Experiment to get different results.
,
3 个评论
Nitin Arora
2021-11-22
@Star Strider: what is graph is required in this format? In this like on x-axis the values and on y-axis percentage of samples.
The legend was not part of the original request.
The only way to do that is to use the hold function and plot two separate bar objects. (I did some deep property spelunking and could not devise away to make the legend request compatible with my original code.)
A = rand(1,400);
x = 1:400;
figure
hold on
hb(1) = bar(x(1:10), A(1:10), 'r');
hb(2) = bar(x(11:end), A(11:end), 'b');
hold off
legend('Red Bars', 'Blue Bars', 'Location','bestoutside');
xlim([0 50]) % Zoom To See Detail (Delete Later)
.
dpb
2021-11-22
<Answers 1592474-plotting-bar-graphs-with-different-color> amended to add the legends to the previous/alternate solution.
更多回答（1 个）
Walter Roberson
2021-11-22
N = 10;
bar(x(1:N), y(1:N), 'r');
hold on
bar(x(N+1:end), y(N+1:end), 'b');
hold off
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