Make a 2D plot with one arbitrary axis

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Majid Vaghari
Majid Vaghari . 2022년 1월 22일
댓글: Majid Vaghari . 2022년 1월 24일
I’d like to make a 2D plot like the attached file in MATLAB. My problems are: 1. As the vertical axis is arbitrary, how can I plot a 1D- vector in MATLAB with x, y? I mean we have just data for x-axis (VEC) and how we can plot this vector in a 2D plot while the y-axis is arbitrary? VEC=[2 6 4.5 5 3 6.2 8 2.4]; 2. How can I add those dashed vertical line in a 2D plot? 3. How can fill the inside of the plot with colors? I mean left hand side of the dashed vertical line with a yellow (for example)? Is that possible to make different filling color for each section between the vertical dashed lines? (just like the attached file)
Best, Majid
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Majid Vaghari
Majid Vaghari 2022년 1월 22일

Attached file

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채택된 답변

Ive J
Ive J 2022년 1월 22일
편집: Ive J 님. 2022년 1월 22일
You can start with something like this
bpoints = [6.88, 7.84];
color = summer(numel(bpoints) + 1); % or whatever colors you like
v = [5 6.2 8, 9];
h = plot(v, v, 'LineStyle', 'none');
h.Parent.Box = 'on';
ylim = h.Parent.YLim;
xlim = h.Parent.XLim;
h.Parent.YTickLabel = [];
bpoints(end + 1) = xlim(2);
offset = xlim(1);
for i = 1:numel(bpoints)
xx = [offset, bpoints(i), bpoints(i), offset];
yy = [ylim(1), ylim(1), ylim(2), ylim(2)];
patch(h.Parent, 'XData', xx, 'YData', yy, 'FaceColor', color(i, :), ...
'EdgeColor', 'none', 'FaceAlpha', 0.5)
offset = bpoints(i);
if i < numel(bpoints)
xline(h.Parent, bpoints(i), '--', 'LineWidth', 1.4)
h.Parent.FontSize = 12;
h.Parent.FontWeight = 'bold';
And then you can add text objects wherever you need (for dots/squares you can also use scatter or plot)
doc text
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Majid Vaghari
Majid Vaghari 2022년 1월 24일
It does not work by each of the option. BTW there is no xline in MATLAB R2014B.
Thanks anyway, maybe I would change my MATLAB VERSION.

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추가 답변 (1개)

Ahmed raafat
Ahmed raafat 2022년 1월 22일
편집: Ahmed raafat 님. 2022년 1월 22일
fill command will be suitable define your 3 squares as vectors , for y make it equal 1 for your graph I think
x1=[6.4 6.88 6.88 6.4 6.4];
y=[0 0 1 1 0];
x2=[6.88 7.84 7.84 6.88 6.88];
x3=[7.84 9 9 7.84 7.84];
d1=[6.88 6.88];
d2=[7.84 7.84];
hold on


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