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Mathematica Link for Excel fixed

  • To: mathgroup at smc.vnet.net
  • Subject: [mg59836] Mathematica Link for Excel fixed
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Tue, 23 Aug 2005 04:51:37 -0400 (EDT)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • Reply-to: murray at math.umass.edu
  • Sender: owner-wri-mathgroup at wolfram.com

In a previous message to this group (sorry, I no longer have the 
reference number), I asked how to get Mathematica Link for Excel to work 
again now that I've updated Mathematica to version 5.2.  Specifically, 
after setting my default Mathematica kernel to MultiLink, initiating a 
link to a Multilink kernel from Excel, and in a Mathematica notebook 
assiging a value to a symbol (e.g., var = 5;), when I went back to Excel 
and tried to retrieve that value [e.g., =Math("var")], nothing would happen.

A technician at Wolfram Research quickly found the cure:  The Advanced 
Options : Arguments to MLOpen for the MultiLink kernel (set in 
Mathematica's Kernel > Kernel Configuration Options > Kernel Properties 
menu item) were wrong.  They should be:

   -LinkMode Launch -LinkName "MultiLink -mathlink"

For unknown reasons, they were ERRONEOUSLY set as:

   -LinkMode Launch -LinkName "MathKernel -mathlink"

Everything now works now as expected.

-- 
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower      phone 413 549-1020 (H)
University of Massachusetts                413 545-2859 (W)
710 North Pleasant Street            fax   413 545-1801
Amherst, MA 01003-9305


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