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MMP.9:3 - Forces
| Choice | Consequence for the construction |
|---|
| Smaller state and longer memory | Eliminating coordinates can replace present-state work with a history calculation. |
| Detailed trajectory and selected result | A bound on one output can be cheaper than a replacement for the whole trajectory. |
| Additional moments and finite closure | Deriving another moment can expose yet another missing moment. |
| Short-lived component and lasting effect | A small or fast component can make a consequential accumulated contribution. |
| Fit to supplied trajectories and use inside a new evolution | Once the replacement supplies the next state, its errors can change the states it later receives. |
| Several adequate replacements and available effort | An existing bound or larger model can cost less than developing a new closure. |