floor (MATLAB Function Reference)

Round towards minus infinity

Syntax

B = floor(A)

Description

B = floor(A)

rounds the elements of A to the nearest integers less than or equal to A. For complex A, the imaginary and real parts are rounded independently.

Examples

a =

  Columns 1 through 4 

  -1.9000            -0.2000             3.4000             5.6000          

  Columns 5 through 6 

   7.0000             2.4000 + 3.6000i

floor(a)

ans =

  Columns 1 through 4 

  -2.0000            -1.0000             3.0000             5.0000          

  Columns 5 through 6 

   7.0000             2.0000 + 3.0000i