10
votes
Accepted
RuleDelayed (:>) involving Piecewise leads to Piecewise::pairs warning in ReplaceAll (/.)
While creating the delayed rule Mathematica evaluates the left hand side of the rule by default. Evaluating Piecewise[a_, b___] returns the error message, but stays ...
- 18.3k
7
votes
Accepted
Ask Mathematica to always print errors in InputForm
Use $MessagePrePrint.
$MessagePrePrint = InputForm;
- 11.6k
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