Initial formula fail to work after recalculation

Version: 2018

Type: Bug Fixes

Category: Analysis

Subcategory: Fitting

Jira: ORG-17089

Fixed in Origin 2018. Bug introduced in Origin 2017 SR0.  For example:

  1. Open Nonlinear Fit tool, use the initial formula to initial parameter then fit.
  2. Change the source data to recalculate the result.
  3. Change Parameter to open fit tool then click the Initialize Parameter button.

      ==> Fail to initial parameter by the initial formula.