Nonlinear dyad (andreou2026aci eq. 1-2)
Value
A cgns_model for the dyad, ready for simulate() and the
assimilation verbs; the observed-x variant carries a sealed realiser
descriptor so that compilation takes the directed route.
References
Andreou, M., Chen, N. and Bollt, E. (2026). Assimilative causal inference. Nature Communications 17, 1854. doi:10.1038/s41467-026-68568-0