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TraceDialog
  • TraceDialog[ expr ] initiates a dialog for every expression used in the evaluation of expr.
  • TraceDialog[ expr , form ] initiates a dialog only for expressions which match form.
  • TraceDialog[ expr , s ] initiates dialogs only for expressions whose evaluations use transformation rules associated with the symbol s.
  • See notes for Trace.
  • The expression to be evaluated when a dialog is called is given as Out[$Line] of the dialog, wrapped in HoldForm. The expression can be seen by asking for % when the dialog is first started.
  • Any value returned from the dialog is discarded.
  • TraceDialog[ expr ] returns the result of evaluating expr.
  • See the Mathematica book: Section 2.5.10.


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