Plotting two matrixes in same plot

2019 6 11
2 个回答
更新时间：2019 6 11
5 次查看（30 天）

0 个投票

I would like to make a good plot for plotting two matrixes, both 300x19.
A = 300x19
B= 300x19
I was thinking somthing like scatter(A, B), but this do not seem to work. Get the following error "X and Y must be vectors of the same length."
Plot(A, B) does not provide the inforamtion in a good way.
Thanks,
Ingrid

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回答（2 个）

Star Strider
Star Strider 2019-6-11

0 个投票

I am not certain what result you want..
One option:
figure
plot(A)
hold on
plot(B)
hold off
If you want them oriented differently, transpose them:
figure
plot(A')
hold on
plot(B')
hold off
You can also use scatter in place of plot if that is what you want.
If you want to plot every row of ‘A’ against the corresponding row of ‘B’:
figure
hold all
for k = 1:size(A,1)
plot(A(k,:), B(k,:))
end
hold off

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Thank you!
These were all good options.
Is there a way to get the same type of plot as scatter plot, or like one figure of plotmatrix ?
I want to see illustrate the trade-off, between A and B
Star Strider
Star Strider 2019-6-11
My pleasure!
Probably the best option would be something like this:
figure
hold all
for k = 1:size(A,1)
scatter(A(k,:), B(k,:), 'filled')
end
hold off
I am still not certain what you want, however. The problem is that most of the plot functions want more than one argument, so simply plotting a matrix is not straightforward. It is likely necessary to plot individual rows or columns against each other. That is similar to what plotmatrix does.

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