Looping a function that has any output from 0 to 1?

I need to generate a function that its output is any number from 0 to 1.

Answer 1

[Star Strider]

rand

Answer 2

[Image Analyst]

How about this one?

function out = myFunction()
  out = 0.5;

I figure 0.5 is as good a number as any between 0 and 1, isn't it. If you want it to be different each time, you should say so. In that case look at Start Strider's answer.