A DIRECT SEARCH QUASI-NEWTON METHOD FOR NONSMOOTH UNCONSTRAINED OPTIMIZATION
A direct search quasi-Newton algorithm is presented for local minimization of Lipschitz continuous black-box functions. The method estimates the gradient via central differences using a maximal frame around each iterate. When nonsmoothness prevents progress, a global direction search is used to loca...
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| Vydáno v: | The ANZIAM journal Ročník 59; číslo 2; s. 215 - 231 |
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| Hlavní autor: | |
| Médium: | Journal Article |
| Jazyk: | angličtina |
| Vydáno: |
Cambridge, UK
Cambridge University Press
01.10.2017
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| Témata: | |
| ISSN: | 1446-1811, 1446-8735 |
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| Abstract | A direct search quasi-Newton algorithm is presented for local minimization of Lipschitz continuous black-box functions. The method estimates the gradient via central differences using a maximal frame around each iterate. When nonsmoothness prevents progress, a global direction search is used to locate a descent direction. Almost sure convergence to Clarke stationary point(s) is shown, where convergence is independent of the accuracy of the gradient estimates. Numerical results show that the method is effective in practice. |
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| AbstractList | A direct search quasi-Newton algorithm is presented for local minimization of Lipschitz continuous black-box functions. The method estimates the gradient via central differences using a maximal frame around each iterate. When nonsmoothness prevents progress, a global direction search is used to locate a descent direction. Almost sure convergence to Clarke stationary point(s) is shown, where convergence is independent of the accuracy of the gradient estimates. Numerical results show that the method is effective in practice. |
| Author | PRICE, C. J. |
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| Cites_doi | 10.1145/355934.355936 10.1137/080716980 10.1080/10556780290027828 10.1007/s10898-005-3834-4 10.1023/A:1022414105888 10.1137/S1052623400378742 10.1137/S105262340240063X 10.1023/B:JOTA.0000006684.67437.c3 10.1016/j.camwa.2007.06.012 10.1145/321062.321069 10.1023/A:1026429319405 10.1007/s10107-010-0429-8 10.1007/s10957-007-9335-5 10.1137/030601296 10.1007/s11075-012-9692-5 10.1007/s10589-013-9560-9 10.1137/040603371 10.21914/anziamj.v48i0.95 10.1093/imanum/drn045 10.1007/s10957-014-0534-6 10.1137/S1052623493250780 10.2307/2372648 10.1137/1.9781611971309 10.1093/comjnl/7.4.308 |
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| References | Price (S1446181117000323_r23) 2009; 11 S1446181117000323_r13 S1446181117000323_r12 S1446181117000323_r11 S1446181117000323_r10 S1446181117000323_r30 Sun (S1446181117000323_r25) 1994; 12 Audet (S1446181117000323_r5) 2009; 20 S1446181117000323_r28 S1446181117000323_r27 S1446181117000323_r26 Gill (S1446181117000323_r14) 1981 S1446181117000323_r7 S1446181117000323_r6 S1446181117000323_r4 S1446181117000323_r9 S1446181117000323_r8 S1446181117000323_r24 S1446181117000323_r22 S1446181117000323_r21 S1446181117000323_r3 S1446181117000323_r2 S1446181117000323_r20 S1446181117000323_r1 Wright (S1446181117000323_r29) 1996; Volume 344 of S1446181117000323_r19 S1446181117000323_r18 S1446181117000323_r17 S1446181117000323_r16 S1446181117000323_r15 |
| References_xml | – ident: S1446181117000323_r18 doi: 10.1145/355934.355936 – volume: 20 start-page: 948 year: 2009 ident: S1446181117000323_r5 article-title: OrthoMADS: a deterministic MADS instance with orthogonal directions publication-title: SIAM J. Optim. doi: 10.1137/080716980 – volume: 11 start-page: 43 year: 2009 ident: S1446181117000323_r23 article-title: A hybrid Hooke and Jeeves – Direct method for non-smooth optimization publication-title: Adv. Model. Optim. – ident: S1446181117000323_r17 doi: 10.1080/10556780290027828 – volume: 12 start-page: 380 year: 1994 ident: S1446181117000323_r25 article-title: A quasi-Newton algorithm without calculating derivatives for unconstrained optimization publication-title: J. Comput. Math. – ident: S1446181117000323_r7 doi: 10.1007/s10898-005-3834-4 – ident: S1446181117000323_r21 doi: 10.1023/A:1022414105888 – ident: S1446181117000323_r3 doi: 10.1137/S1052623400378742 – ident: S1446181117000323_r2 doi: 10.1137/S105262340240063X – ident: S1446181117000323_r20 doi: 10.1023/B:JOTA.0000006684.67437.c3 – ident: S1446181117000323_r30 doi: 10.1016/j.camwa.2007.06.012 – ident: S1446181117000323_r15 doi: 10.1145/321062.321069 – ident: S1446181117000323_r10 doi: 10.1023/A:1026429319405 – ident: S1446181117000323_r28 doi: 10.1007/s10107-010-0429-8 – ident: S1446181117000323_r6 doi: 10.1007/s10957-007-9335-5 – ident: S1446181117000323_r8 doi: 10.1137/030601296 – ident: S1446181117000323_r26 doi: 10.1007/s11075-012-9692-5 – ident: S1446181117000323_r24 doi: 10.1007/s10589-013-9560-9 – ident: S1446181117000323_r4 doi: 10.1137/040603371 – ident: S1446181117000323_r13 – ident: S1446181117000323_r22 doi: 10.21914/anziamj.v48i0.95 – ident: S1446181117000323_r11 doi: 10.1093/imanum/drn045 – ident: S1446181117000323_r1 doi: 10.1007/s10957-014-0534-6 – ident: S1446181117000323_r16 – ident: S1446181117000323_r27 doi: 10.1137/S1052623493250780 – volume-title: Practical optimization year: 1981 ident: S1446181117000323_r14 – ident: S1446181117000323_r12 doi: 10.2307/2372648 – ident: S1446181117000323_r9 doi: 10.1137/1.9781611971309 – volume: Volume 344 of start-page: 191 volume-title: Numerical analysis 1995 (Dundee, 1995) year: 1996 ident: S1446181117000323_r29 – ident: S1446181117000323_r19 doi: 10.1093/comjnl/7.4.308 |
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| SubjectTerms | Algorithms Estimates Methods Optimization Quasi Newton methods |
| Title | A DIRECT SEARCH QUASI-NEWTON METHOD FOR NONSMOOTH UNCONSTRAINED OPTIMIZATION |
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