In this comment we show that the eigenvalues of a quartic anharmonic oscillator obtained recently by means of the asymptotic iteration method may not be as accurate as the authors claim them to be.
Exact solutions for vibrational levels of the Morse potential via the asymptotic iteration method
Borel Resummation Method with Conformal Mapping and the Ground State Energy of the Quartic Anharmonic Oscillator
Large-order shifted 1/N expansions through the asymptotic iteration method
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