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Problem with plotting dots in points

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Thomas Wans
Thomas Wans 2022-3-17
编辑： Jan 2022-3-18
Hi,
I have problem I wanted to plot dots in points but It shows only last dot
figure(2);
A = [1,2,3,4,5,6,7,8]
Y = [1,2,3,4,5,6,7,8]
i = 8;
for c = 1:i
hold on
plot(A(i),Y(i),'r.')
end

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回答（1 个）

Jan
Jan 2022-3-17
编辑：Jan 2022-3-17
The loop does not depend on the loop counter:
i = 8; % <- this is the index in all iterations
for c = 1:8
I assume you mean:
for i = 1:8
  2 个评论
Thomas Wans
Thomas Wans 2022-3-17
Yes, but it still shows only last dot
Jan
Jan 2022-3-18
编辑：Jan 2022-3-18
Ran in:
Nope. This works:
figure;
A = [1,2,3,4,5,6,7,8];
Y = [1,2,3,4,5,6,7,8];
for i = 1:8
hold on
plot(A(i),Y(i),'r.')
end

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R2021b

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