General::itform
General::itform
Details
-
- This message is generated when the indicated function argument is not a list with 1, 2, 3, or 4 elements.
- This message can be generated by iteration functions such as Do, Table, Sum, and Product.
- An iterator is a list that indicates the iteration variable and the iteration limits, or the number of iterations if no iteration variable is explicitly specified.
- Off[message] switches off the message; On[message] switches it on. For example: Off[General::itform].
Examples
Basic Examples (1)
An empty list is not a valid iteration specification in Do:
