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Before compilation:

• Assure that in the body of the program desired number of sites in the row (the 14-th line in the program body) - DIM is denoted right (5,7,9...admissible only odd numbers) and this number coincides with total number of sites (N=DIM³), and that DIM coincides with denoted filename latticeDIM.txt 

For example, if you want lattice 7x7x7 denote in the program:

• line14: PARAMETER (DIM=7 , N=343)
• line97: OPEN (UNIT=23,  FILENAME=" lattice7.txt"...

After initialization:

• If you run the program and do not see the report: "...have been successfully read from the file", then your file latticeDIM.txt is not formatted right. You have to generate file latticeDIM.txt using special program.
• Use recommended values of initial parameters
• For more details read comments in the body of the program

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