Subplots made by multiple plots

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Laurens
Laurens 2011-12-28
回答： Demetrio Rodriguez Tereshkin 2016-2-23
Hi,
I would like to draw a figure consisting of 3 subplots, each made by 4 plots.
Here's my code, to make it more clear...
hold all;
for i=1:4
subplot(1,3,1);
plot(S1(:,1,i), S1(:,2,i), c(i));
xlim([0 1]);
subplot(1,3,2);
plot(S2(:,1,i), S2(:,2,i), c(i));
xlim([0 1]);
subplot(1,3,3);
plot(S3(:,1,i), S3(:,2,i), c(i));
xlim([0 1]);
end
hold off;
My problem is that only the last plots are drawn in the subplots. So I see only one line per subplot, instead of the 4 I intended. Can anyone help me fix this?
Thanks!

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采纳的回答

Sean de Wolski
Sean de Wolski 2011-12-28
Each subplot needs to be held individually.
figure; hold on
subplot(121)
hold on
plot(1:3)
plot(rand(1,3))
subplot(122)
hold on
plot(4:6)
plot(rand(1,3))

更多回答（1 个）

Demetrio Rodriguez Tereshkin
Or just use hold on after subplot.
% some values
x(1,:) = 1:10;
x(2,:) = x(1,:)-1;
y = x.^2;
% subplots in a loop replace each other
fig1 = figure('Name', 'subplots_replacement');
for i = 1:2
subplot(1, 2, 1)
plot(x(i,:))
subplot(1, 2, 2)
plot(y(i,:))
end
% subplots in a loop overlap
fig2 = figure('Name', 'subplots_add');
for i = 1:2
subplot(1, 2, 1)
hold on % this helps
plot(x(i,:))
subplot(1, 2, 2)
hold on % this helps
plot(y(i,:))
end

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