How to create for loop?

For example i have vector containing 1000 random vector so how do i create for loop that shows each of the 1000 elements between 0 and 0.3, between 0.3+ and 0.6, between 0.6+ and 1.

Answer 1

[madhan ravi]

 doc rand % please read it

[Dhruv Patel]

I want to know how do i separate 0 to 0.3, 0.3 to 0.6 and 0.6 to 1

[madhan ravi]

Use logical operator > , & <

 doc >= 
 doc <
 doc &