tf = isvar(varname)
tf = isvar(scope, varname)
| Parameter | Description |
|---|---|
| scope | a string: 'global', 'base', 'caller', 'local'. |
| varname | a string: variable name. |
| Parameter | Description |
|---|---|
| tf | a logical: true if varname exists. |
isvar checks for the existence of an variable.
isvar('A')
A = 3
isvar('A')
isvar('global','B')
global B
isvar('global','B')| Version | Description |
|---|---|
| 1.0.0 | initial version |