Example
>> filename='C:\MATLAB\R2017a\bin\dataset\';
>> a=gorsel(filename,0);
0.0002 8.6622 0.0341
0.0001 8.9730 0.0279
0.0001 9.2377 0.0244
0.0001 9.4267 0.0239
0.0001 9.5962 0.0217
0.0001 9.6768 0.0207
0.0001 9.7512 0.0199
0.0001 9.7999 0.0193
0.0001 9.7608 0.0161
0.0001 9.7153 0.0146
0.0001 9.6964 0.0156
0.0001 9.7230 0.0177
0.0001 9.7560 0.0198
0.0001 9.8653 0.0178
0.0001 9.8902 0.0169