A higher-order finite-difference approximation with Richardson’s extrapolation to the energy eigenvalues of the quartic, sextic and octic anharmonic oscillators

Author： Gaddah Wajdi A  

Publisher： IOP Publishing

E-ISSN： 1361-6404|36|3|35025-35050

ISSN： 0143-0807

Source： European Journal of Physics, Vol.36, Iss.3, 2015-05, pp. : 35025-35050

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