rnd (-1,+1)?

[payman]

Hello,

How can I use "rnd" function to generate random numbers between [-1,1] rather than [0,1] ?

Thank you.

[Werner_E · Accepted solution]

rnd(2) -1

You may use a selfdefined function rand(a,b):=a + rnd(b-a)

If you need a vector of more values you may use runif(100,-1,1)

[payman]

Thank you.