B(n) Root Tracking — exact vs asymptotic theory

This version compares the exact root near B=1 from your normalised residual Rnorm(B,n)=1 against the parity-split asymptotic formulas B(n)=1+u/n+u²/(2n²) with separate constants for odd and even n.



exact root near 1 odd asymptotic even asymptotic B = 1