Function: math[un] - abbreviated unapply function
Calling Sequence:
un(expr);
un(expr, ind);
Parameters:
expr
- any algebraic expression
ind
- (optional) a sequence of variable names
Description:
This function returns a functional operator, i.e. creates an anonymous function from the expression expr.
In the first form, the indeterminate(s) is (are) determined automatically
variable names do not need to be specified, un evaluates them automatically. In the second form where one or more variable names are specified, un works like unapply.
un uses function unapply.
Examples:
> un(diff(sin(x)*y^3, x));
> unapply(diff(sin(x)*y^3, x), x, y);
See Also:
unapply .
Version History:
Version 1.0 - May 13, 1997
Version 1.1 - May 21, 1998