Read the equation
This statement records a parameter or experimental setting for XII. KINETIC RATE EQUATIONS · Intra-strand (n. The value assigned to Intra-strand (n is part of the source configuration, rather than a new result inferred by this atlas. It must be interpreted with the associated model, sample, and units.
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 Intra-strand (n as the quantity being defined or updated by this relation.
Substitute the source-defined variables or recorded values and follow the displayed arithmetic and indexing exactly.
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
return kf * (1.0 - b_[n - 1]) - kb * b_[n - 1];
}
// Full coupled equations (Section 12.6)
std::array<double, TOTAL_BONDS> compute_derivatives() const {
std::array<double, TOTAL_BONDS> db;
// Intra-strand (n = 1..16)
for (int n = 1; n <= INTRA_STRAND_BONDS; ++n) {
int idx = n - 1;
int prev = ((n - 2 + NUM_STRANDS) % NUM_STRANDS);
int next = (n % NUM_STRANDS);
db[idx] = single_bond_derivative(n);
// Add diffusion: α·(b_{n-1} + b_{n+1} - 2b_n)
db[idx] += alpha_ * (b_[prev] + b_[next] - 2.0 * b_[idx]);
// Add inter-coupling: β·sin(2πn/10.6)·(b_{n+16} - b_n)
if (n + INTRA_STRAND_BONDS <= TOTAL_BONDS) {Exact original notation
Intra-strand (n = 1..16)