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Functions to Map C to λ and Vice Versa and Derivatives[Note]
| ARP | C(λ) | ∂C/∂λ | λ(C) | ∂λ/∂C |
| Full siblings |  |
 |
 |
 |
| Half siblings |  |
 |
 |
 |
| First cousins |  |
 |
 |
 |
| Grandparent-grandchild |  |
 |
 |
 |
| Avuncular pairs |  |
 |
 |
 |
Note.— Subscript k for ARP type is dropped to improve clarity of presentation.
