round - Round to nearest integer

Syntax

Description

Y = round(X) rounds the elements of X to the nearest integers. Positive elements with a fractional part of 0.5 round up to the nearest positive integer. Negative elements with a fractional part of -0.5 round down to the nearest negative integer. For complex X, the imaginary and real parts are rounded independently.

Examples

a = [-1.9, -0.2, 3.4, 5.6, 7.0, 2.4+3.6i]

a =
  Columns 1 through 4 
  -1.9000            -0.2000             3.4000             5.6000 
  Columns 5 through 6 
   7.0000             2.4000 + 3.6000i

round(a)

ans =
  Columns 1 through 4 
  -2.0000                  0             3.0000             6.0000 
  Columns 5 through 6 
   7.0000             2.0000 + 4.0000i 

See Also

ceil | fix | floor

© 1984-2012- The MathWorks, Inc.    -   Site Help   -   Patents   -   Trademarks   -   Privacy Policy   -   Preventing Piracy   -   RSS