|MATLAB Function Reference|
Execute builtin function from overloaded method
builtin is used in methods that overload builtin functions to execute the original builtin function. If
function is a string containing the name of a builtin function, then
builtin( evaluates that function at the given arguments.
[y1,..,yn] = builtin( returns multiple output arguments.
builtin(...) is the same as
feval(...) except that it calls the original builtin version of the function even if an overloaded one exists. (For this to work you must never overload