Create duration array template

Question

Luis Eduardo Cofré Lizama 2022-7-29

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1770105-create-duration-array-template

评论： Luis Eduardo Cofré Lizama 2022-7-29

I need to create a duration array as below. However, instead of getting tx with a length of 720000, Im getting 7200000001?

The context is that I will create this array as a timestamp template to then match my recorded times (and corrsponding data) with the closest time in this template.

ti = duration('00:00:0.00','Format','hh:mm:ss.SSS');

tf = duration('02:00:0.00','Format','hh:mm:ss.SSS');

interval = milliseconds(0.010);

tx = ti:interval:tf;

Cheers

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Answer 1

Chunru 2022-7-29

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1770105-create-duration-array-template#answer_1017185

在 MATLAB Online 中打开

ti = duration('00:00:0.00','Format','hh:mm:ss.SSS');
tf = duration('02:00:0.00','Format','hh:mm:ss.SSS');
interval = milliseconds(0.010);
% number of points
n = 2*3600/(0.01e-3)+1
n = 720000001
% to make 720000 points
interval = seconds(0.010);
tx = ti:interval:tf;
whos
  Name          Size                  Bytes  Class       Attributes

  cmdout        1x33                     66  char                  
  interval      1x1                      10  duration              
  n             1x1                       8  double                
  tf            1x1                      32  duration              
  ti            1x1                      32  duration              
  tx            1x720001            5760032  duration              