BUILT-IN MATHEMATICA SYMBOL
is an option for FullSimplify which can be set to a list of patterns for expressions that should not be touched if they are encountered at intermediate steps in the operation of FullSimplify.
- The default setting for ExcludedForms is .
- A setting such as Gamma[_] will cause FullSimplify to treat gamma functions as elementary objects which should not be transformed.
This gives no simplification:
Excluding transformations of allows you to expand the remaining terms:
This gives a result in terms of Arg[x]:
This specifies that Log[x] should not be transformed:
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