How do I create a 2 column matrix from my x and y data

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James Bagnall
James Bagnall 2019-8-25
评论： Sara Fawal 2020-6-25
I want to make a 2 column matrix for my x and y data which consists of 1000 datapoints, I have tried this and it replaces only one column:
x=[0 1 2 3 4 5];
y=[0 1 2 3 4 5];
A = zeros(1000,2);
A(:,2)=y;
A(:,1)=x;

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Star Strider
Star Strider 2019-8-25
Your data as you posted them are row vectors. Create column vectors from them to create ‘A’ by either doing a simple transpose (use the .' operator, not '), or forcing them to be column vectors with the ‘(:)’ notation
Try this:
A = [x(:), y(:)]
That should work.
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Sara Fawal
Sara Fawal 2020-6-25
Hello Star How can I apply your code in a loop for multiple parameters?
My 'X' vector is my time variable and does not change.
However the 'Y' vectors are my changing variables.
Ex: X= time
Y(1)=a
Y(2)=b
Y(3)=c
.......Y(n)=m
Please let me know. Thank you

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