how to plot using two x axes

Question

Abdulaziz 2014-7-11

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https://ww2.mathworks.cn/matlabcentral/answers/141499-how-to-plot-using-two-x-axes

评论： Abdulaziz 2014-7-11

sketch for ills.PNG

Hi everyone, Please I need help. I have two matrices of speeds at different locations. The matrices generated by two different models. every two corresponding columns were obtained at particular axial position along vertical line. I want to plot each two columns at assigned position (axial location). that means top x axes is for axial position and the bottom is for speed. while y is for vertical position. Please see the attached file hand sketch for illustration

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Answer 1

Azzi Abdelmalek 2014-7-11

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https://ww2.mathworks.cn/matlabcentral/answers/141499-how-to-plot-using-two-x-axes#answer_144717

编辑：Azzi Abdelmalek 2014-7-11

在 MATLAB Online 中打开

Use plotyy function

Look at this example

x1=1:0.1:10
x2=1:0.1:10
y1=sin(x1)
y2=cos(x2)./x2
[ax,h1,h2] = plotyy(x1,y1,x2,y2)
xlabel('u(m/s)')
ylabel('y(mm)')
set(ax(2),'xaxislocation','top')
hlx=get(ax(2),'xlabel')
set(hlx,'string','x(mm)')

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Abdulaziz 2014-7-11

Thank you Azzi for your help.

If you can see the attached file. every two curves are at different axial locations. the one you suggested will work with some adjustment but give all the curves at one location. May be I should consider plot on 3D

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