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This is a file that contains commonly encountered problems when using MM.

About user input files

Can I change file names?

There are only serveral files we need to deal with:

  • user.XXX.f: user-specified file for providing PES
  • mm.x: executable after compilation, takes two arguments, with usage ./mm.x fort.1 fort.2
  • fort.1: first argument of mm.x, input file
  • fort.2: second argument of mm.x, output file.

Their names can all be user-specified. However, by convention we usually only change user.XXX.f to a system of intesest, such as user.H2O.f, and leave other filenames along. From now on, we use these defualt file names.

What are the files that I need to provide?

There are 3 steps you have to do to run MM:

  1. Provide PES in user.XXX.f to get executable mm.x
  2. Provide parameters in input file fort.1
  3. Execute ./mm.x fort.1 fort.2