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Dear friends,
I would like to draw scatter diagram with 3-y axis. Please help me.
Thank you so much!

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Etsuo Maeda
Etsuo Maeda 2019-8-28

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Tien Nguyen
Tien Nguyen 2019-8-28
Hi,
I found this link before, and it is for plot not for scatter.
I also tried did for scatter, but I could not get the diagram because the codes in that link for 'plot' only.
Etsuo Maeda
Etsuo Maeda 2019-8-29
OK, just try to rewrite the logic with Axes properties. It works fine in R2019a.
clear; close all;
% create dummy data
x = 1:10;
y1 = rand(1, 10);
y2 = rand(1, 10)*10;
y3 = rand(1, 10)*100;
% create Figure f
f = figure;
% create Axes ax1
ax1 = axes('Parent', f);
ax1.NextPlot = 'replacechildren';
% create invisible Axes ax2
ax2 = axes('Parent', f);
ax2.NextPlot = 'replacechildren';
ax2.Color = 'none';
ax2.XAxis.Visible = 'off';
ax2.YAxis.Visible = 'off';
% create invisible Axes ax3
ax3 = axes('Parent', f);
ax3.NextPlot = 'replacechildren';
ax3.Color = 'none';
ax3.XAxis.Visible = 'off';
ax3.YAxis.Visible = 'off';
% plot scatter data x, y1, y2, y3
scatter(ax1, x, y1, 'ro')
scatter(ax2, x, y2, 'gx')
scatter(ax3, x, y3, 'b*')
% create dummy Axes, dAx1
dAx1 = ax1;
dAx1.YColor = 'r';
% create dummy Axes, dAx2 with right YAxis
dAx2 = axes('Parent', f);
dAx2.YColor = 'g';
dAx2.Color = 'none';
dAx2.XAxis.Visible = 'off';
dAx2.YAxisLocation = 'right';
dAx2.YLim = ax2.YLim;
% create dummy Axes, dAx3 with offset YAxis
dAx3 = axes('Parent', f);
dAx3.YColor = 'b';
dAx3.Color = 'none';
dAx3.XAxis.Visible = 'off';
Pos = ax1.Position;
dAx3.Position = Pos + [-0.06 0 0 0];
dAx3.YLim = ax3.YLim;
Tien Nguyen
Tien Nguyen 2019-9-2
That is great! Thank you so much for your help!
Ahmad Bayhaqi
Ahmad Bayhaqi 2022-4-9
Hi, thank you very much for this code. This also works for me. Then, is there a way to put legend and ylabel in this code? @Etsuo Maeda

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