isglobal

Checks if a variable is global.

Syntax

• state = isglobal(variable_name)

Input argument

• variable_name - a string: variable name.

Output argument

• state - a logical: true if variable is global.

Description

isglobal returns true if variable_name has been declared as global variable and false otherwise.

Example

y = 3;
isglobal y
global b
b = 3
isglobal b
clear global b
isglobal b

See also

clear, who, global.

History

Author

Allan CORNET