How to plot every column of matrix into a different graphic but in one figure

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Madania Nia
Madania Nia 2020-5-31
评论： Earth Sugandhi 2021-2-3
i have a matix 13 x 4, i want that first column get plot in one graph, then plot 2nd column in another graph, so on until the 4th column. but every graphs must be plot in one figure. can anyone give me the solution of it using loop or "for" function? thank you!

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回答（3 个）

madhan ravi
madhan ravi 2020-5-31
plot(matrix)
Aquatris
Aquatris 2020-5-31
This might be what you are looking for
A = rand(13,4); % random 13x4 matrix
[r,c] = size(A); % get number of rows and columns of A
for i = 1:c % columns 1 to c
figure(1)
subplot(c,1,i),plot(A(:,i)) % plot the ith column in ith graph in figure(1)
%subplot(1,c,i),plot(A(:,i)) % alternative for horizontal layout
end
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Earth Sugandhi
Earth Sugandhi 2021-2-3
okay, this is good but I have very large array, and using for loop is taking time, how can we do it without for loops?

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Prasad Reddy
Prasad Reddy 2020-5-31
% let us suppose your matrix is A,and you want toplot all the columns of A with espect to dome other variable. You havent mentioned that variable in the question. i am considering it as ' t ' .
the code will be as follows.
clc
clear all
A=[] % your matrix.
t=[] % the x axis variable. it should have same number of elements as of the elements in one column of A ie 13.
for i=1:4
plot(t,A(:,i)
hold on
end
% this code will work. message here if you find any difficulty. Give me a up thumb if this helps to you. Thanks.
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