method
active
method:fitness-function-l2-distance

Fitness function (l2-distance)

Quantitative metric of closeness of embryo to target pattern; d = (1/N²) Σ(E_ij - T_ij)² with exponential scaling d' = 9^d.

Neighborhood — ranked by edge-count

Frameworks (1)

framework

Methods (1)

method
  • Quantitative measure of morphogenetic success: Euclidean distance between evolving embryo phenotype and target smiling-face pattern.

Related by similarity (8)

cosine ≥ 0.65 · no typed edge

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.

  • Fitnessconcept0.772
    Quantitative measure of how well an embryo matches the target pattern; used for selection.
  • fitness pressureconcept0.737
    Evolutionary force favouring solutions like stigmergy to overcome topological limits
  • Reward Functionconcept0.727
    In RL, a scalar signal from the environment that defines the agent's goal; in active inference, reward is just another observation with associated preference.
  • Fitness Landscapeconcept0.716
    Kauffman's concept of the coupling between an evolving genotype and its fitness landscape as generating internal ordering tendencies in evolution
  • Subjective reward signal from Dubey et al. 2022 balancing objective reward, expectations, and comparisons; extended in this paper
  • Softmax Functionmethod0.707
    Neuronal dynamics computed from free energy gradients; interpreted as average firing rate of neural populations.
  • Weight spaceconcept0.700
    The space of the model's parameter matrices, where VPD operations take place.