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Table 8 Comparison of the TOPINV and SVD solutions with the reference values for Case study 3

From: Solution of underdetermined systems of equations with gridded a priori constraints

Reference coordinates

TOPINV ( k=1.25)

SVD

x ^

± σ

x ^ +

x 2

150.000

150.000

0.001

150.003

y 2

150.000

150.000

0.001

149.991

x 3

200.000

200.006

0.003

200.015

x 4

150.000

150.002

0.002

150.005

y 4

50.000

50.003

0.002

50.006

  1. Values in meters.