sir, i have a text file ... which consists of 60000 rows and 15 columns.... i have to read the 2nd and 4 th column... all other columns are 0 matrix...in that i have to read the 2nd and 4th column ... what i have to do??

i have a text file ... which consists of 60000 rows and 15 columns.... i have to read the 2nd and 4 th column... all other columns are 0 matrix...in that i have to read the 2nd and 4th column ... what i have to do?? error shows like index exeeds matrix dimensions

Answer 1

[Zikobrelli]

Hi ruby, can you please send an example?