Robust formula for $N$-point Padé approximant calculation based on Wynn identity

T. M. Mishonov, A. M. Varonov

The performed numerical analysis reveals that Wynn's identity for the compass $1/(N-C)+1/(S-C)=1/(W-C)+1/(E-C)=1/\eta$ (here C stands for center, the other letters correspond to the f…