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Starting from equation (9),
based on the Muir expansion for the square-root
Claerbout (1985),
we can write successively:
| |
(19) |

| (20) |

| (21) |

If we make the notations
| |
(22) |

we obtain the finite-differences solution to the
one-way wave equation in Riemannian coordinates:
| |
(23) |

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** Up:** Sava: Riemannian wavefield extrapolation
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Stanford Exploration Project

10/23/2004