public SymmTridiagMatrix getStoredScaledWeightMatrix(double precision) {
SymmTridiagMatrix a = storedWeightMatrix.copy();
for (int i = 0; i < a.numRows() - 1; i++) {
a.set(i, i, a.get(i, i) * precision);
a.set(i + 1, i, a.get(i + 1, i) * precision);
}
a.set(fieldLength - 1, fieldLength - 1, a.get(fieldLength - 1, fieldLength - 1) * precision);
return a;
}
public SymmTridiagMatrix getStoredScaledWeightMatrix(double precision, double lambda) {
if (lambda == 1) return getStoredScaledWeightMatrix(precision);
SymmTridiagMatrix a = storedWeightMatrix.copy();
for (int i = 0; i < a.numRows() - 1; i++) {
a.set(i, i, precision * (1 - lambda + lambda * a.get(i, i)));
a.set(i + 1, i, a.get(i + 1, i) * precision * lambda);
}
a.set(
fieldLength - 1,
fieldLength - 1,
precision * (1 - lambda + lambda * a.get(fieldLength - 1, fieldLength - 1)));
return a;
}