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Daniel Ubbink in MATLAB Answers
上次活动时间: 2023-8-22

Create new table wit differentiate or diff from existing timetable

I've got below timetable with daily measurements from my gas meter at home: Timestamps GasM3 ____________________ _____________ 14-Aug-2019 00:00:00 331.15 25-Aug-2019 00:00:00 332.37 26-Aug-2019 00:00:00 332.74 27-Aug-2019 00:00:00 333.97 I would like to know the daily consumption, so I tried playing with "differentiate" & "diff" to get these values in a new table. I've tried Test1 = differentiate(DailyGasDataTimeTable) which gave the following error: Error using Visualization: Differential test</a> (line 17</a>) 'differentiate' requires Curve Fitting Toolbox and Test2 = diff(DailyGasDataTimeTable) which gave the following error: Undefined function 'diff' for input arguments of type 'table'. Error in Visualization: Differential test (line 17) Unfortunately I'm stuck, please advise. Kind regards, Daniel

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