Comment by card_zero
Yes, I think of them as saying "and this is what the coordinates in our coordinate system [basis] shall mean from now on". Systems of nonlinear equations, on the other hand, are some kind of sea monsters.
Yes, I think of them as saying "and this is what the coordinates in our coordinate system [basis] shall mean from now on". Systems of nonlinear equations, on the other hand, are some kind of sea monsters.