>>I don't understand. A vector is any collection: (x1, ...., x^n) of >anything. >>In math, the vectors are numbers. > >This is wrong. A function can be a vector (usefully so, in fact). >A polynomial can be a vector, a sequence can be a vector. In fact, >*anything* can be a vector.
Isn't that what I said though? I said a vector can be a collection of anything, even if that "collection" just contains one vector: for example, one function, one polynomial, etc, like you say.