Ticket #4637 (closed: fixed)

Opened 9 years ago

Last modified 5 years ago

Investigation of ExpDecay

Reported by: Anders Markvardsen Owned by: Karl Palmen
Priority: major Milestone: Release 2.1
Component: Mantid Keywords:
Cc: Blocked By:
Blocking: Tester: Jose Borreguero

Description

Try fitting with and without analytical derivates and see which one is more stable.

Change History

comment:1 Changed 9 years ago by Karl Palmen

  • Status changed from new to accepted

comment:2 Changed 9 years ago by Karl Palmen

A quick investigation shows that both (analytical & numerical derivatives) are about equally stable with an exponential curve.

comment:3 Changed 9 years ago by Karl Palmen

Another test shows no discernable difference. In both cases when height is set at 1, it will work if lifetime is set at 14, but fail if lifetime is set at 15.

comment:4 Changed 9 years ago by Karl Palmen

  • Status changed from accepted to verify
  • Resolution set to fixed

No difference has been discerned.

comment:5 Changed 8 years ago by Jose Borreguero

  • Status changed from verify to verifying
  • Tester set to Jose Borreguero

comment:6 Changed 8 years ago by Jose Borreguero

  • Status changed from verifying to closed

comment:7 Changed 5 years ago by Stuart Campbell

This ticket has been transferred to github issue ​5484

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