>be Rosen
>introduce new notation
>doesn't bother to explain it beyond 'it's just that sign (n-1) times
>now do this notation but 2x and then 3x
>doesn't bother to explain whether both 'i', and 'j' increase at the same time, or just one
>expect the student to figure out the notation from the examples given
sorry to disappoint you, Rosen, but I'm at a loss
>introduce new notation
>doesn't bother to explain it beyond 'it's just that sign (n-1) times
>now do this notation but 2x and then 3x
>doesn't bother to explain whether both 'i', and 'j' increase at the same time, or just one
>expect the student to figure out the notation from the examples given
sorry to disappoint you, Rosen, but I'm at a loss
