Function::flpar

更多信息

  • This message is generated when the first argument in Function is not a symbol or a list of symbols.
  • Since Function has the HoldAll attribute, the value of an argument that evaluates to a symbol or to a list of symbols will not be used unless Evaluate or some similar construction is used to cause that evaluation.
  • Off[message] switches off the message; On[message] switches it on. For example: Off[Function::flpar].

范例

基本范例  (1)

The first argument in Function is not a symbol or a list of symbols:

This shows a valid parameter specification in Function: