Simpson's Second Rule - 4-Ordinate Integrator
Area under a curve sampled at four equally-spaced ordinates using Simpson's second (3/8) rule - used when ordinate count is a multiple of 3 + 1.
Area
19.500m²
Formula, assumptions, and limits
Use Simpson-2 when dividing by three stations fits data better. Same order-3 accuracy as Simpson-1 but with 3 intervals instead of 2.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Ordinate | m | body plan | |
| Interval width | m | station spacing |