Search found 2 matches

by bonus
Thu Sep 29, 2011 9:44 am
Forum: Suggestions/Questions
Topic: Differentiate curve based on past time interval
Replies: 5
Views: 17257

If this is indeed an easy addition, it would be great to get it in one of the next releases.
Thank you!
by bonus
Wed Sep 07, 2011 10:24 am
Forum: Suggestions/Questions
Topic: Differentiate curve based on past time interval
Replies: 5
Views: 17257

Differentiate curve based on past time interval

Is there a way to differentiate a curve based on the past = previous time interval?
y_j' = (y_j - y_j-1)/(x_j - x_j-1)
I'm working with non equally spaced rainfall time series, here in the form of the total rainfall depth:
26-05-2011 17:28:19 0.1
26-05-2011 17:35:42 0.2
26-05-2011 20:27:53 0.3
26 ...