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Table 5 Numerical results for Example 4.2 with \(\pmb{x_{0}=(1.0,1.5)}\)

From: Smoothing of the lower-order exact penalty function for inequality constrained optimization

k

\(\boldsymbol {x_{k}^{*}}\)

\(\boldsymbol {q_{k}}\)

\(\boldsymbol {\epsilon_{k}}\)

\(\boldsymbol {g_{1}(x_{k}^{*})}\)

\(\boldsymbol {g_{2}(x_{k}^{*})}\)

\(\boldsymbol {f(x_{k}^{*})}\)

0

\(\begin{array}{@{}c@{}} (2.329625,\\ 3.178285 ) \end{array} \)

5

0.1

−0.001067

0.000286

−5.507911

1

\(\begin{array}{@{}c@{}} (2.329538,\\ 3.178429 ) \end{array} \)

10

0.01

−0.000208

0.000019

−5.507967

2

\(\begin{array}{@{}c@{}} (2.329517,\\ 3.178421 ) \end{array} \)

20

0.001

−0.000049

−0.000085

−5.507938