whos
Displays the names, sizes, memory used in bytes and the class or type of each variable defined in the current session of the application.
Syntax
whos
whos('x')
Inputs
- x
 - Variable name passed must be in a string format.
 
Outputs
- Name
 - Name of the variable(s).
 - Size
 - Size of the variable(s).
 - Bytes
 - Memory used to store the variable(s).
 - Class
 - Type of the variable(s).
 
Examples
Displays information about all variables in the current session:
localVariable1 = 247;
testLocalVariable = 'Sample';
global globalVariable2;
whos
                Attr            Name Size Bytes  Class
          ====            ==== ==== =====  =====
                             R  3x1   113 struct
               globalVariable2  0x0     0 double
                localVariable1  1x1     8 double
                     localtest  1x7     7 string
      localVariable1 = 247;
testLocalVariable = 'Sample';
global globalVariable2;
whos('localVariable1')          Attr            Name Size Bytes  Class
          ====            ==== ==== =====  =====
                localVariable1  1x1     8 doubleComments
If an optional second argument, x, is passed, only the the information regarding x is returned.