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Help with old Mathematica file
I am trying to solve a problem, for what I finally found a book what has some Mathematica files supplied, but I am stuck now as I cannot run the file. My problem is that I cannot run the program as it is written in Mathematica 3.0 and I don't know what should I change to make it run under today's Mathematica versions. Here is the error it returns. > FindMinimum::fmgz: Encountered a > gradient that is effectively zero. The > result returned may not be a minimum; > it may be a maximum or a saddle point. The file is called Programs\MOTIPOIN.NB in this file: http://bit.ly/lMQh1K or alternatively, here is a pastebin for the code in question: http://pastebin.com/ASBXnVVS Can you have a look at what could be wrong with the code? Its only 50 lines, but I don't know how to fix it.