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The technique is based on a post-multiplication of the matrix
by the diagonal matrix .

The preconditioning operator introduces a new model given by

| |
(15) |

By the preconditioning transformation, we have recast the
original inversion relation equ1 into
| |
(16) |

After solving for we easily compute
.

** Next:** SYNTHETIC EXAMPLE
** Up:** Inversion to common offset
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Stanford Exploration Project

7/5/1998