500                    ntmax (max no of time steps)
  5999.0                 tmax: max time for integration
    0.0                  xmin
    1.0                  xmax
   .10e-4                alpha: diffusion coefficient 
    0.3                  s = alpha*dt/dx/dx
    0.0                  d - two level parameter
   16                    nout: output every nout steps
  100.0                  f0: normalization of Temperature (t=f0*fnew)
    0.0                  finit: parameter for initial condition
    0.5                  fb0(1): boundary value at xmin (initially)
    0.5                  fb0(2): boundary value at xmax (initially)
    1.0                  fb1(1): boundary value at xmin 
    1.0                  fb1(2): boundary value at xmax 
   10                     maxex: no of terms in exact solution