Wolfram 语言与系统 10.0 (2014)|旧版文档

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Inactivate

Inactivate[expr]
replaces all instances of f with Inactive[f] for symbols f used as heads in expr.

Inactivate[expr,patt]
inactivates all symbols in expr that match the pattern patt.

更多信息和选项更多信息和选项

  • Inactivate has attribute HoldFirst, and symbols in expr are inactivated before evaluation.
  • With the option setting Heads->False, Inactivate does not enter heads of expressions and inactivate their parts.
2014年引入
(10.0)