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Table 3 Numerical results for Example 4.2 with \(\pmb{x_{0}=(2.5,0)}\)

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

\(\begin{array}{c} (2.329720,\\ 3.177613 ) \end{array} \)

5

0.1

−0.002508

0.000057

−5.507333

1

\(\begin{array}{@{}c@{}} ( 2.329648,\\ 3.177624 ) \end{array} \)

10

0.01

−0.001917

−0.000266

−5.507273

2

\(\begin{array}{@{}c@{}} ( 2.329674,\\ 3.177610 ) \end{array} \)

20

0.001

−0.002136

−0.000163

−5.507283