clear

Clearing variables

Usages

clear

clear('all')

clear('variables')

• All of the above statements clear all user-defined variables in the workspace, and free the memory spaces occupied by them.
• ⚠️ Command syntax, e.g., clear all, is not supported. Use clear('all') instead.

clear(v1, v2, v3, ..., vn)

• v1, v2, ..., vn are character vectors containing variable names. This statement clears the listed variables in the workspace, and free the memory spaces occupied by them.
• All input arguments should be non-empty character vectors.
• ⚠️ Command syntax is not supported, as shown in the example below.

a = 1;
b = 2;
clear('a', 'b')	% OK.
clear a b	% Command syntax not supported.

Examples

• Clear two variables.

Input

a = 1
b = 2
clear('a', 'b')

Output

a =
 1.000
 
b =
 2.000
 
Variables a and b have been cleared