Same Y-axis but two X-axis

Question

Pouyan Msgn 2020-9-20

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/596896-same-y-axis-but-two-x-axis

编辑： Ameer Hamza 2020-9-20

Hi ! I wish to have this code with two X-axis...

clc
clear all
x=-4:0.1:4;
y=sin(2*x);
plot(x,y)
grid on
figure
x2=-0.4:0.01:0.4;
y2=sin(20*x2);
plot(x2,y2)
grid on

I searched about it and found some topics but it was not easy. How can I have two X-axis ?

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Answer 1

Ameer Hamza 2020-9-20

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/596896-same-y-axis-but-two-x-axis#answer_497569

编辑：Ameer Hamza 2020-9-20

在 MATLAB Online 中打开

Try this

x1 = -4:0.1:4;
y1 = sin(2*x1);
x2 = -0.4:0.01:0.4;
y2 = sin(20*x2);
f = figure();
ax1 = axes();
hold(ax1);
grid on
ax1.XLim = [-4 4];
ax1.YLim = [-1.5 1.5];
plot(x1, y1, 'r')
ax2 = axes('Position', ax1.Position);
hold(ax2);
ax2.Position = ax1.Position;
ax2.Color = 'none';
ax2.XAxis.Visible = 'off';
ax2.YAxis.Visible = 'off';
ax2.XLim = [-4 4];
ax2.YLim = [-1.5 1.5];
plot(x2, y2, 'b')