SeriesData::sdatv

更多信息

This message is generated when the expression that occurs as the expansion variable in a SeriesData expression cannot be used as a variable.
Most expressions other than numbers, sums, products, powers, inequalities, and logical expressions can be used as variables.
Off[message] switches off the message; On[message] switches it on. For example: Off[SeriesData::sdatv].

An error occurs because a product cannot be used as a variable in SeriesData:

This shows valid arguments in SeriesData:

顶部