# Multiple plots taking different elements of X & Y matrices in a systematic pattern

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Ayan PATSA on 23 May 2021
Commented: Ayan PATSA on 24 May 2021
I have X as a 1x40 matrix with its elements being X1,X2,X3,......,X40. Similarly Y as another 1x40 matrix with elements being Y1,Y2,Y3,....,Y40.
Now I want to have a graph which takes the first four values of X (i.e. X1-4) and first four of Y (i.e. Y1-4) and shows their plot. Then again take next four values for each(i.e. X5-8 & Y5-8) and plot them differently in the same graph and so on.. In this way I want to have 10 different plots in the same graph.
Is there any way to do it (loops maybe) other than just doing it separately for each?

darova on 23 May 2021
Try reshape
x = linspace(0,10,40);
y = sin(x);
x1 = reshape(x,[4 10]);
y1 = reshape(y,[4 10]);
plot(x1,y1)
Ayan PATSA on 24 May 2021
Yes it works. Thank you

Girijashankar Sahoo on 23 May 2021
x=[1:1:40];
y=[1:1:40];
l=length(x)/4
n=1
for i=1:l
plot(x(1,n:4*i),y(1,n:4*i))
hold on
n=4*i+1;
end
Ayan PATSA on 24 May 2021
This is perfect. Thank you.