pub fn activation(ages: impl IntoIterator<Item = u64>, d: f64) -> f64Expand description
ln(Σ age^(−d)) over ages in ticks (each at least 1); −∞ without any.
pub fn activation(ages: impl IntoIterator<Item = u64>, d: f64) -> f64ln(Σ age^(−d)) over ages in ticks (each at least 1); −∞ without any.