Example

> rand("normal", 10.0, 2.0 );
> a = rand(1,100);
> mean(a)
     9.76
> std(a)
     2.04
> b = rand(1,10)
 b =
 matrix columns 1 thru 6
     8.35       7.86       5.48       7.05       12.3       10.3  

 matrix columns 7 thru 10
     13.1       6.73       11.4       7.18  
> mean(b)
     8.96
> std(b)
      2.6