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Theory and Modern Applications

Table 3 Relative errors and CTs for Ex. 5.3

From: Approximated least-squares solutions of a generalized Sylvester-transpose matrix equation via gradient-descent iterative algorithm

Method

Iterations

Relative error

CT

TauOpt

100

0.3368

0.0011

GI

100

302.3879

0.0021

LSI

100

562.8838

0.0034

AGBI

100

80.7919

0.0015

direct

0

0.0051