clear

Remove variable from workspace.

Syntax

• clear
• clear variable_name
• clear global
• clear all
• clear mex
• clear variables
• clear functions
• clear function_name
• clear mexfunction_name
• clear variable_name_1 ... variable_name_N
• clear global variable_name

Input argument

• variable_name - a string: variable name.
• global - clears all global variables.
• all - clears all variables in all scopes
• mex - clears all mex functions in all scopes
• variables - clears all variables in current scope.
• functions - clears cache of macros functions and associated persistent variables.
• function_name - clears persistent variables of a function.
• mexfunction_name - clears mex function (see mexAtExit).

Description

clear is used to remove variable given by its name.

clear can also delete handle object if a function handle_TYPE_clear is defined.

Example

A = 3;
who
clear A
who
A

See also

who.

History

Author

Allan CORNET