**I have 2d array(uni) like this.**
0.012   396.470
0.017   401.480
0.028   406.490
0.030   408.505
0.032   411.500
0.038   416.510
0.043   421.520
0.046   426.530
0.050   430.050
0.051   431.540
0.050   436.540
0.047   438.540
0.050   441.550