Example

> rand()
        1
> rand(2,4)
    0.975      0.333      0.162     0.0847  
    0.647     0.0369      0.665      0.204  
> rand(3,2)+rand(3,2)*1j
          0.167 + 0.265i          0.91 + 0.0918i
            0.655 + 0.7i          0.112 + 0.902i
           0.129 + 0.95i           0.299 + 0.96i
> rand("bin",100,0.5)
        1
> rand(2,5)
       44         56         57         52         56  
       44         46         48         44         46 
> rand("normal",0,1)
        1
> rand(2,5)
    0.495     -0.757      0.909     -0.748     -0.586  
   -0.115      0.684      0.713     -0.456      0.619