[ROOT] Interface for Mathematica 4.0

From: Matthew D. Langston (langston@SLAC.stanford.edu)
Date: Sat Nov 11 2000 - 22:31:17 MET


I have some "complicated" cross-section equations (i.e. cross-section
equations with many terms) in my Mathematica 4.0 notebooks that I would like
to use to perform some likelihood fits to data in my ROOT files using ROOT's
fitting functionality.  Has anyone else needed to solve a similar problem
and has a solution?

I could recode the cross-section equations in C++ in order to use ROOT to do
the fits, but there is obviously enormous potential for mistakes in doing so
since Mathematica keeps all of the terms of my cross-section equations
consistent.  There is also a Mathematica API which I could use to pass the
Mathematica "callback" function to TMinuit.

Using the Mathematica API probably makes the most sense.  However, I didn't
want to go off and reinvent the wheel of writing a ROOT+Mathematica
interface if such a utility already exists.

Has anyone else thought about how to solve this problem?  Any thoughts would
be greatly appreciated.

Regards, Matt

--
Matthew D. Langston
SLD, Stanford Linear Accelerator Center
langston@SLAC.Stanford.EDU



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