How can I convert number to time?

Question

Jack Rogers 2020-2-13

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https://ww2.mathworks.cn/matlabcentral/answers/505282-how-can-i-convert-number-to-time

I have a column of data ranging from 1 to 58,232 that represents time. 10 units represents 1 second, I need to convert this column into Minutes:seconds:milliseconds so that it is easier to understand when it comes to plotting the data set on to a graph. Would anyone know how I would be able to achieve this?

Thanks, Jack.

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Answer 1

Star Strider 2020-2-13

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https://ww2.mathworks.cn/matlabcentral/answers/505282-how-can-i-convert-number-to-time#answer_415423

在 MATLAB Online 中打开

If you have R2015b or later, this is straightforward:

v = 1:58232;
tsec = seconds(v/10);
Show = tsec(1:18)                       % Sample Result (Delete)

producing:

Show = 
  1×19 duration array
Columns 1 through 9
   0.1 sec   0.2 sec   0.3 sec   0.4 sec   0.5 sec   0.6 sec   0.7 sec   0.8 sec   0.9 sec
Columns 10 through 18
     1 sec   1.1 sec   1.2 sec   1.3 sec   1.4 sec   1.5 sec   1.6 sec   1.7 sec   1.8 sec