# plotting 2 different graphs

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Karelle Ngwen el 30 de En. de 2023
Comentada: Karelle Ngwen el 12 de Feb. de 2023
i have 2 matrices and want to plot each individual value on a separate graph. like the first value of the first matrix and that of the second matrix only on one graph, then the second values of both on another graph
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Davide Masiello el 30 de En. de 2023
Do you mean first row of first matrix vs first row of second matrix etc...?
Rik el 30 de En. de 2023
Please post some example data, along with what you tried. I suspect a call to subplot, simple indexing, and two calls to plot will suffice.

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### Respuestas (1)

Vinayak Choyyan el 8 de Feb. de 2023
Hello Karelle,
As per my understanding, you have two matrices, say A and B, of the same size. You would like to plot just one (X,Y) pair on a graph for each pair (A(i), B(i)), where i is the index of element in matrix.
From your question, I am not sure whether you would like to have just one figure with multiple subplots for each value pair or have multiple figures with plots for each value pair. Hence I am providing you with a solution for both these mentioned cases.
• One figure with multiple subplots, one subplot for each value pair
a=[1,2,3,4,5;6,7,8,9,10];
b=[2,4,6,8,10;12,14,16,18,20];
%a and b are 2 matrix of same size
sa=size(a);%get the size of a (which is same as b)
for i=1:sa(1)
for j=1:sa(2)
pos=sa(2)*(i-1)+j;%position of current plot in subplot
subplot(sa(1),sa(2),pos);%select the position of subplot among all the subplots
plot(a(i,j),b(i,j),'*');
end
end
• Many figures, one figure for each value pair
a=[1,2,3,4,5;6,7,8,9,10];
b=[2,4,6,8,10;12,14,16,18,20];
%a and b are 2 matrix of same size
sa=size(a);%get the size of a (which is same as b)
for i=1:sa(1)
for j=1:sa(2)
figure;
plot(a(i,j),b(i,j),'*');
end
end
I hope this helps resolve the issue you were facing.
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Karelle Ngwen el 12 de Feb. de 2023
Thank you this was very helpful

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