02 May 2024 08:24:05 PM

sine_gordon_exact_test():
  C++ version
  Test sine_gordon_exact().

  Parameters:
    a     = 1.5

  Evaluate solution and residual at selected points (X,Y)

      X       Y       U(X,Y)      Resid(X,Y)

             0             0       3.14159  -1.22465e-16
           0.2             0       3.73279   2.22045e-16
           0.4             0       4.27546   2.22045e-16
           0.6             0       4.73856             0
           0.8             0       5.11298   2.22045e-16
             1             0       5.40505   3.33067e-16

             0           0.2       3.40747   5.55112e-17
           0.2           0.2       3.98234   1.11022e-16
           0.4           0.2       4.49211             0
           0.6           0.2       4.91579  -2.22045e-16
           0.8           0.2       5.25225   4.44089e-16
             1           0.2       5.51178  -5.55112e-16

             0           0.4       3.66872   2.22045e-16
           0.2           0.4       4.21873  -6.66134e-16
           0.4           0.4       4.69148  -1.11022e-16
           0.6           0.4       5.07564  -5.55112e-16
           0.8           0.4       5.37628             0
             1           0.4       5.60612  -2.22045e-16

             0           0.6       3.92107   1.11022e-16
           0.2           0.6       4.43954  -2.22045e-16
           0.4           0.6       4.87313  -1.11022e-16
           0.6           0.6        5.2189   3.33067e-16
           0.8           0.6       5.48631   2.22045e-16
             1           0.6       5.68931  -3.33067e-16

             0           0.8       4.16101  -3.33067e-16
           0.2           0.8        4.6433  -4.44089e-16
           0.4           0.8       5.03727  -3.33067e-16
           0.6           0.8       5.34663  -4.44089e-16
           0.8           0.8       5.58363   2.22045e-16
             1           0.8       5.76255  -3.33067e-16

             0             1       4.38589  -1.11022e-16
           0.2             1       4.82938             0
           0.4             1       5.18459  -1.11022e-16
           0.6             1       5.46005   3.33067e-16
           0.8             1       5.66949   1.11022e-16
             1             1       5.82694   2.22045e-16


sine_gordon_exact_test():
  Normal end of execution.

02 May 2024 08:24:05 PM