how to plot velocity profile

Question

Bhargavkrishna Kondreddy 2016-11-14

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/312041-how-to-plot-velocity-profile

回答： KSSV 2016-11-14

i have a multiple .txt files which contains several columns of velocity in xand y direction. I want to plot a velocity profile by importing all .txt files.

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Frederico Marc 2016-11-14

You can use the "Import Data From file". You will import the data to the worskpace, then you can do whatever you want.

If you have a .m file, I think it is easier to use the importdata command:

importdata('myfile.txt');

Use the Help to read further about this command.

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Answer 1

KSSV 2016-11-14

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/312041-how-to-plot-velocity-profile#answer_243174

在 MATLAB Online 中打开

d = dir('*.txt');
nfiles = length(d);
for k = 1:nfiles
   data= importdata(d(k).name);
   %%%%%
     % quiver(x,y,u,v)
        % do what you want 
end