Example

> round(1.002)
        1
> round(1.998)
        2
> round(1.5)
        2
> round(2.5)
        2
> b = 100*rand(2,5)
 b =
     65.5         91       29.9         70       9.18  
     12.9       11.2       26.5         95       90.2  
> round(b)
       65         91         30         70          9  
       13         11         27         95         90  
> c = 100*(rand(2,3)+(rand(2,3)*(0+1j)))
 c =
 matrix columns 1 thru 3
              96 + 90.8i            44.1 + 14.8i           92.4 + 0.543i
            91.5 + 36.2i            7.35 + 87.9i            8.82 + 22.2i

> round(c)
 matrix columns 1 thru 3
                96 + 91i                44 + 15i                 92 + 1i
                91 + 36i                 7 + 88i                 9 + 22i