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Timeline for Laplacian and DiracDelta

Current License: CC BY-SA 4.0

12 events
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Mar 9, 2022 at 6:36 comment added Jens @JamesBowery Indeed, version 13.0 is more picky about the direction of the limit, which is probably a good thing. So I added that information, and it should work now.
Mar 9, 2022 at 6:35 history edited Jens CC BY-SA 4.0
Added limit direction to avoid Indeterminate in version 13.0
Mar 8, 2022 at 14:59 comment added James Bowery bringing the Integrate[...] onto one line resolves the syntax error but the result is "Indeterminate".
Mar 8, 2022 at 14:30 comment added James Bowery ft = ... yields a syntax error "Integrate[ cannot be followed by..."
Jun 6, 2015 at 17:02 comment added Jens @LeonidShifrin Yes, I think so, too. The idea to define Abs' as HeavisideTheta does work in other contexts for me, e.g. when proving Green function identities. But it didn't quite give the desired result in this case.
Jun 6, 2015 at 16:59 comment added Leonid Shifrin +1. It looks like in any case, the best approach currently is to use some regularization and then take the limit.
Jun 6, 2015 at 16:59 history edited Jens CC BY-SA 3.0
deleted 1 character in body
Jun 6, 2015 at 16:53 history edited Jens CC BY-SA 3.0
Added FT based approach
Jun 6, 2015 at 16:17 vote accept mattiav27
Jun 6, 2015 at 15:37 history edited Jens CC BY-SA 3.0
Added another approach
Jun 6, 2015 at 15:32 history edited Jens CC BY-SA 3.0
Added another approach
Jun 6, 2015 at 15:07 history answered Jens CC BY-SA 3.0