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## Re: [Help-gsl] generating random numbers between two numbers

**From**: |
Ralph Silva |

**Subject**: |
Re: [Help-gsl] generating random numbers between two numbers |

**Date**: |
Wed, 7 May 2008 09:36:41 +1000 |

On Tue, May 6, 2008 at 10:00 PM, Awhan Patnaik <address@hidden> wrote:
>* GSL allows random number generation between the unit interval [0,1].*
>* However*
>* if one has to generate numbers between ANY two real numbers a and b then*
>* one*
>* way is the following:*
>* num = a + rand*(b-a) where rand is a random number in the unit interval.*
>* Is*
>* this the only way available ? I mean are the statistical properties*
>* preserved in such cases.*
>
It is totally preserved.
If X ~ Uniform(0,1), then Y = a + (b-a)X ~ Uniform(a,b)