In this work exponentially fitted Runge‐Kutta‐Nyström methods which integrate exactly the test equation We modify existing fifth and sixth order methods and apply the new methods on the computation of the eigenvalues of the Schrödinger Equation with different potentials as the harmonic oscillator, the doubly anharmonic oscillator and the exponential potential.
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© 2008 American Institute of Physics.
2008
American Institute of Physics
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