General::ivar

Details

  • This message is generated when the indicated expression cannot be used as a variable.
  • Expressions other than strings, numbers, sums, products, and integer powers can usually be used as variables.
  • Off[message] switches off the message; On[message] switches it on. For example: Off[General::ivar].

Examples

Basic Examples  (1)

A product cannot be used as a variable in PolynomialQ: