Read the equation
This relation defines § 2.1 golden basis function ψ_k(x) in the source section “seferim-core · § 2.1 golden basis function ψ_k(x)”. Evaluates oscillatory sine or cosine terms using the stated phase or frequency. Its interpretation depends on the source’s stated variables and conditions; this record does not assign an unprovided physical or cognitive meaning to them.
Terms & definitions
The recovered passage does not supply a separate symbol table. Read the source context for the notation used in this version; familiar letters may carry different meanings in other builds.
How it works
Read § 2.1 golden basis function ψ_k(x) as the quantity being defined or updated by this relation.
Evaluates oscillatory sine or cosine terms using the stated phase or frequency.
Use this version’s variable definitions and update order. The same symbol may be assigned a different meaning in another build.
Assumptions & limits
This source expression was recovered from the pinned code revision. Its presence does not establish that the associated program was built, run, or scientifically validated.
Original context
Read the surrounding source passage
}
// § 13.2 hash → [0, 1]
export const hashUnit = (s) => fnv1a(s) / (2 ** 32 - 1);
/* ============================================================ *
* § 2. Golden Ratio Mathematics
* ============================================================ */
// § 2.1 golden basis function ψ_k(x) = sin(2π·φ^k·x) + cos(2π·φ^k·x)
export function psi(k, x) {
const w = 2 * Math.PI * Math.pow(PHI, k) * x;
return Math.sin(w) + Math.cos(w);
}
// § 2.2 normalization b(t) = 1 / (1 + ||Ψ||² / φ)
export function normalizer(psiVec) {
let sq = 0;
for (let i = 0; i < psiVec.length; i++) sq += psiVec[i] * psiVec[i];
return 1 / (1 + sq / PHI);
}Exact original notation
§ 2.1 golden basis function ψ_k(x) = sin(2π·φ^k·x) + cos(2π·φ^k·x)