|
Blank
_ or Blank[ ] is a pattern object that can stand for any Mathematica expression.
_h or Blank[h] can stand for any expression with head h.
The head h in _h cannot itself contain pattern objects.
See The Mathematica Book: Section 2.3.1.
See also: Pattern, Optional.
Further Examples
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT. SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION. |