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Table 6 Errors of computed target coordinates of check points by the two algorithms

From: WTLS iterative algorithm of 3D similarity coordinate transformation based on Gibbs vectors

Point no.

Errors of computed target coordinates (m)

\(x^{t}\)

\(y^{t}\)

\(z^{t}\)

11

0.0071

− 0.0060

0.0379

12

0.0433

0.0259

0.0167

13

− 0.0055

− 0.0549

0.0118

14

0.0345

0.0687

− 0.0609

15

0.0816

0.0456

− 0.0182

16

− 0.0139

− 0.0062

− 0.0012

17

− 0.0093

− 0.0592

0.0198

18

− 0.0496

0.0221

− 0.0098