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 Difference of dates

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T O P I C    R E V I E W
jeanbap Posted - 08/04/2000 : 8:37:00 PM
Hej !

I want to make normalize my time evolution compared to time at start.

From the following the dataset:
Date val
D1 v1
D2 v2
D3 v3
D4 v4

should produce
Date val
0 v1
D2-D1 v2
D3-D1 v3
D4-D1 v3

If I do the normal difference operation I get --. I suppose the format are wrong.
I use Origin 5.0, and the dd-mm-yy hh:mm:ss format.

Thanks

JB
2   L A T E S T    R E P L I E S    (Newest First)
jeanbap Posted - 08/11/2000 : 8:42:00 PM
Hej Greg !

Thanks a lot it works very well.-)
The solution was so easy.

Thanks again

JB
greg Posted - 08/10/2000 : 4:21:00 PM
By subtracting Dates you no longer have any Date information and should change the column format to Time.

In your case, select the hh:mm:ss subformat.

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