Rows to Keep for inversion

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Description

Selects which rows in the hypocenter determination to keep during non-linear itaerations based on robust rsidual elimination.

Usage

1
Rowz2Keep(Ldat, EQ, G1, RESMAX)

Arguments

Ldat

List of station arrivals

EQ

Earthquake location

G1

derivative and travel time estimates

RESMAX

2-vector for P and S-wave residual maxima

Details

This is a utility used internally.

Residuals greater than the respective maxima provided are eliminated in the svd inversion. If fewer than 4 remain, the smallest 4 rows are returned.

Value

Index of good rows

Author(s)

Jonathan M. Lees<jonathan.lees@unc.edu>

See Also

XYlocate

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