This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)


plots the expression f in a small neighborhood of a using machine arithmetic.

plots f from ulps to ulps.
  • The following option can be given:
JoinedTruewhether to join points
  • With the setting Joined->Real, the line joining the plot points represents the mapping from the set of real numbers to the set of machine-number outputs.