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For sake of simplicity, we denote . is
predictable from .

| |
(29) |

Actually, equation (29) is a convolution operator. For each frequency
`f`, we have an equation like (29).
All frequencies have the same prediction filter .
Usually this is an over-determined system. We can use some optimization
method to solve it, e.g., conjugate gradient, LSQR, Lanzcos, etc.

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Stanford Exploration Project

11/11/1997