Confidence set inference with a prior quadratic bound
Abstract
In the uniqueness part of a geophysical inverse problem, the observer wants to predict all likely values of P unknown numerical properties z=(z sub 1,...,z sub p) of the earth from measurement of D other numerical properties y (sup 0) = (y (sub 1) (sup 0), ..., y (sub D (sup 0)), using full or partial knowledge of the statistical distribution of the random errors in y (sup 0). The data space Y containing y(sup 0) is Ddimensional, so when the model space X is infinitedimensional the linear uniqueness problem usually is insoluble without prior information about the correct earth model x. If that information is a quadratic bound on x, Bayesian inference (BI) and stochastic inversion (SI) inject spurious structure into x, implied by neither the data nor the quadratic bound. Confidence set inference (CSI) provides an alternative inversion technique free of this objection. Confidence set inference is illustrated in the problem of estimating the geomagnetic field B at the coremantle boundary (CMB) from components of B measured on or above the earth's surface.
 Publication:

Unknown
 Pub Date:
 1989
 Bibcode:
 1989csip.book.....B
 Keywords:

 Confidence Limits;
 Inference;
 Problem Solving;
 Set Theory;
 Uniqueness;
 Errors;
 Geophysics;
 Inversions;
 Statistical Distributions;
 Geophysics