isvar

Check for the existence of an variable.

📝 Syntax

• tf = isvar(varname)

• tf = isvar(scope, varname)

📥 Input argument

• scope - a string: 'global', 'base', 'caller', 'local'.

• varname - a string: variable name.

📤 Output argument

• tf - a logical: true if varname exists.

📄 Description

isvar checks for the existence of an variable.

💡 Example

isvar('A')
A = 3
isvar('A')
isvar('global','B')
global B
isvar('global','B')

🔗 See also

exist.

🕔 History

Version	📄 Description
1.0.0	initial version