Mon Mar 30 11:45:35 2020 

wave_test
  R version 3.4.4 (2018-03-15) 
  wave solves the 1D wave equation using the finite difference method.
                         u          u          u          u
 [1,] 0.0000000 0.00000000 0.00000000 0.00000000 0.00000000
 [2,] 0.3090170 0.29933740 0.27090502 0.22550107 0.16597001
 [3,] 0.5877853 0.56937357 0.51529196 0.42892852 0.31569371
 [4,] 0.8090170 0.78367548 0.70923854 0.59036946 0.43451512
 [5,] 0.9510565 0.92126578 0.83375991 0.69402092 0.51080315
 [6,] 1.0000000 0.96867617 0.87666705 0.72973678 0.53709022
 [7,] 0.9510565 0.92126578 0.83375991 0.69402092 0.51080315
 [8,] 0.8090170 0.78367548 0.70923854 0.59036946 0.46043734
 [9,] 0.5877853 0.56937357 0.51529196 0.46943200 0.48165072
[10,] 0.3090170 0.29933740 0.33419170 0.43924249 0.50310584
[11,] 0.0000000 0.09888544 0.26277345 0.34469761 0.40331853
[12,] 0.0000000 0.00000000 0.06328668 0.21374142 0.33713583
[13,] 0.0000000 0.00000000 0.00000000 0.04050348 0.16595701
[14,] 0.0000000 0.00000000 0.00000000 0.00000000 0.02592222
[15,] 0.0000000 0.00000000 0.00000000 0.00000000 0.00000000
[16,] 0.0000000 0.00000000 0.00000000 0.00000000 0.00000000
[17,] 0.0000000 0.00000000 0.00000000 0.00000000 0.00000000
[18,] 0.0000000 0.00000000 0.00000000 0.00000000 0.00000000
[19,] 0.0000000 0.00000000 0.00000000 0.00000000 0.00000000
[20,] 0.0000000 0.00000000 0.00000000 0.00000000 0.00000000
[21,] 0.0000000 0.00000000 0.00000000 0.00000000 0.00000000

wave_test
  Normal end of execution.
Mon Mar 30 11:45:35 2020