return this->hold();
}
-/** Numeric evaluation falls back to evaluation of arguments.
- * @see basic::evalf */
-ex fderivative::evalf(int level) const
-{
- return basic::evalf(level);
-}
-
/** The series expansion of derivatives falls back to Taylor expansion.
* @see basic::series */
ex fderivative::series(const relational & r, int order, unsigned options) const