[Bug 535459] [NEW] Add non-linear peak fitting to xmgrace

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Nicola Ferralis (feranick):

Binary package hint: grace

One of the most used features in software for scientific data analysis
is the ability to perform non linear peak fitting (specifically
Lorentzian and Gaussian fits). Xmgrace sorely lacks this capability,
unless you consider adding manually the required formula.

The attached patch attempts to resolve this issue, by extending the non-
linear panel with two menu entries (under a new "Library" menu entry)
for: a single peak Lorentzian or Gaussian (see attached image). The
modifications are minor, and flexible for future implementations of
other possible usable formulas and more important, for multi-peak
fitting.

I realize this patch should be pushed upstream first. However
development upstream has been nonexistent for more than a year now, and
the patch I submitted many months back is still sitting there. Given the
more active development via Debian, I try this as a more viable mean to
get it through.

** Affects: grace-plotting-tool
     Importance: Wishlist
         Status: New

** Affects: grace (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: grace (Debian)
     Importance: Unknown
         Status: Fix Released


** Tags: patch
-- 
Add non-linear peak fitting to xmgrace
https://bugs.launchpad.net/bugs/535459
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