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How do i plot a graph between 3 variables?graph for x y and z

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Anna Gerald
Anna Gerald 2018-6-22
评论： Anna Gerald 2018-6-23
data=xlsread('a.xlsx'); X=data(:,6); Y=data(:,5);
for i=2:37 Z=(Y(i,1)-Y(i-1,1))/X(i,1);
end

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Ameer Hamza
Ameer Hamza 2018-6-22
You need to index the variable Z,
Z = zeros(size(X));
for i=2:37
Z(i)=(Y(i,1)-Y(i-1,1))/X(i,1);
endl
plot3(X,Y,Z);
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Ameer Hamza
Ameer Hamza 2018-6-22
It depends on the values of 3 variables, If they are in the form of the grid then you can plot a surface. Can you attach the file so that I can make a proper suggestion?

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