| Line 161: |
Line 161: |
| | | | |
| | Now, to the Example. | | Now, to the Example. |
| | + | |
| | + | Once again, let us begin with a 1-feature alphabet <math>\mathcal{X} = \{ x_1 \} = \{ x \}.</math> In the discussion that follows I will consider a class of trajectories that are ruled by the constraint that <math>d^k x = 0\!</math> for all <math>k\!</math> greater than some fixed <math>m,\!</math> and I will indulge in the use of some picturesque speech to describes salient classes of such curves. Given this finite order condition, there is a highest order non-zero difference <math>d^m x\!</math> that is exhibited at each point in the course of any determinate trajectory. |
| | + | |
| | + | Relative to any point of the corresponding orbit or curve, let us call this highest order differential feature <math>d^m x\!</math> the ''drive'' at that point. Curves of constant drive <math>d^m x\!</math> are then referred to as ''<math>m^\text{th}\!</math> gear curves''. |
| | | | |
| | <pre> | | <pre> |
| − | Once again, let us begin with a 1-feature alphabet !X! = {x_1} = {x}.
| |
| − | In the discussion that follows I will consider a class of trajectories
| |
| − | that are ruled by the constraint that d^k.x = 0 for all k greater than
| |
| − | some fixed m, and I will indulge in the use of some picturesque speech
| |
| − | to describes salient classes of such curves. Given this finite order
| |
| − | condition, there is a highest order non-zero difference d^m.x that is
| |
| − | exhibited at each point in the course of any determinate trajectory.
| |
| − | Relative to any point of the corresponding orbit or curve, let us
| |
| − | call this highest order differential feature d^m.x the "drive"
| |
| − | at that point. Curves of constant drive d^m.x are then
| |
| − | referred to as "m^th gear curves".
| |
| − |
| |
| | One additional piece of notation will be needed here. | | One additional piece of notation will be needed here. |
| | Starting from the base alphabet !X! = {x}, we define | | Starting from the base alphabet !X! = {x}, we define |