clear
- clear removes all variables defined in running session
- clear('varname1', 'varname2', ...) removes variables varname1, varname2, etc
Examples
> a = 1; b = 2; c = 3;
[a:1]
[b:2]
[c:3]
> clear('a','b')
> c
[c:3]
> a
undefined function or variable "a" - line 1
> clear
> c
undefined function or variable "c" - line 1