Earth, Planets and Space

Table 2 Average deviations in the L1 norm of the P- and S-wave residuals and variance reductions after five inversion iterations

From: Investigating P- and S-wave velocity structure beneath the Marmara region (Turkey) and the surrounding area from local earthquake tomography

Iteration	rms dtp^a (s)	rms dts^a (s)	Reduction P (%)	Reduction S (%)
1	0.238	0.419	0	0
2	0.183	0.250	22.84	40.41
3	0.172	0.230	27.50	45.18
4	0.167	0.222	29.57	46.89
5	0.166	0.220	30.20	47.46

^arms dtp and rms dts stand for P- and S-wave residuals, respectively

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