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isglobal

Determine if input is global variable

Syntax

Description

tf = isglobal(A) returns logical 1 (true) if A has been declared to be a global variable in the context from which isglobal is called, and logical 0 (false) otherwise.

Remarks

isglobal is most commonly used in conjunction with conditional global declaration. An alternate approach is to use a pair of variables, one local and one declared global.

Instead of using

You can use

If no other workaround is possible, you can replace the command

with

See Also

global, isvarname, isa, is*


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