Combining the data

F = 3 5 6 15 17 21 35 45 46 51 56 57 66 70 71

please tell how to combine as

3   5 

5   6

6   15

15  17

17   21  as on

Answer 1

[Andrew Newell]

[F(1:end-1)' F(2:end)']

[kash]

Thanks Andrew

Answer 2

[Walter Roberson]

reshape(F, 2, []).'

[kash]

Thanks walter

[kash]

Walter ur code is not working for odd numbers od data

ur code output for my data is

F = 3 5 6 15 17 21 35 45 46 51 56 57 66 70 71

is

3 5

6 15

17 21

but i nees as

3 5

5 6

6 15