Ticket #7308 (closed: fixed)

Opened 7 years ago

Last modified 5 years ago

Derivatives of StretchExp fails at x = 0

Reported by: Roman Tolchenov Owned by: Roman Tolchenov
Priority: major Milestone: Release 2.6
Component: Framework Keywords:
Cc: Blocked By:
Blocking: Tester: Mathieu Doucet

Description


Attachments

irs26176_graphite002_iqt.nxs​ (244.5 KB) - added by Roman Tolchenov 7 years ago.

Change History

comment:1 Changed 7 years ago by Roman Tolchenov

  • Status changed from new to accepted

comment:2 Changed 7 years ago by Roman Tolchenov

  • type changed from enhancement to defect

comment:3 Changed 7 years ago by Roman Tolchenov

Checking for zero x in StretchExp. Re #7308.

Changeset: 278011fd1be5cfc7ef484634b27baa77c0e792a4

Changed 7 years ago by Roman Tolchenov

comment:4 Changed 7 years ago by Roman Tolchenov

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

To tester:

StretchExp should be able to fit without failing any spectra in the attached file. The fit will not be perfect but the numbers shouldn't be crazy. Set StartX to 0 and EndX to 0.2. Initial value for 'Stretching' parameter set to 0.05.

comment:5 Changed 7 years ago by Mathieu Doucet

  • Status changed from verify to verifying
  • Tester set to Mathieu Doucet

comment:6 Changed 7 years ago by Mathieu Doucet

  • Status changed from verifying to closed

Tested with the file provided above and everything worked.

comment:7 Changed 7 years ago by Nick Draper

  • Component changed from Mantid to Framework

comment:8 Changed 5 years ago by Stuart Campbell

This ticket has been transferred to github issue ​8154

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