Plot on x and y axes (pair)

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Zarak Khan
Zarak Khan 2018-1-16
回答： Akira Agata 2018-1-16
Hello,
I would like to plot on both axis (x and y) my data looks like in pic.
So i have two runs , row1 and row1 for 28 components each.
Now i would like to plot run1 on y-axis and run2 on x-axis. and it follows the no of components (i.e 28) straight line.
something like this

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回答（1 个）

Akira Agata
Akira Agata 2018-1-16
The solution would be like:
% Assuming your data (2-by-28)
data = rand(2,28);
% Set x and y
x = data(1,:);
y = data(2,:);
% Fit to y = ax + b
p = polyfit(x,y,1);
yfit = polyval(p,x);
% View the result
figure
scatter(x,y)
hold on
plot(x,yfit)

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