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