16 December  2023   7:15:16.083 PM      

string_pde():
  Fortran77 version
  Simulate the behavior of a vibrating string.
  ALPHA = ( C * dT / dX )^2 =    1.00000    

  Plot data written to the file "string_data.txt".
  Gnuplot commands written to the "string_commands.txt".

string_pde():
  Normal end of execution.

16 December  2023   7:15:16.094 PM