@@ -18,7 +18,19 @@ chainwoo_meta = Dict(
1818 :origin => :unknown ,
1919 :url => " https://bitbucket.org/optrove/sif/src/master/CHAINWOO.SIF" ,
2020 :notes => raw """
21- Source: problem 8 in
21+ The chained Woods problem, a variant on Woods function
22+ This problem is a sum of n/2 sets of 6 terms, each of which is
23+ assigned its own group. For a given set i, the groups are
24+ A(i), B(i), C(i), D(i), E(i) and F(i). Groups A(i) and C(i) contain 1
25+ nonlinear element each, denoted Y(i) and Z(i).
26+ The problem dimension is defined from the number of these sets.
27+ The number of problem variables is then 2 times + 2 as large
28+ This version uses a slightly unorthodox expression of Woods
29+ function as a sum of squares (see Buckley)
30+ """ ,
31+ :origin_notes => raw """
32+ Problem :
33+ Problem 8 in
2234A. R. Conn, N. I. M. Gould and Ph. L. Toint,
2335Testing a class of methods for solving minimization
2436problems with simple bounds on their variables,
@@ -35,6 +47,7 @@ Academy of Science of the Czech Republic
3547
3648http://www.cs.cas.cz/matonoha/download/V1081.pdf
3749
50+ SIF input: Nick Gould and Ph. Toint, Dec 1995.
3851classification SUR2-AN-V-0
3952
4053D. Orban, Montreal, 08/2015.
@@ -49,36 +62,18 @@ Institute of Computer Science,
4962Academy of Science of the Czech Republic
5063
5164https://www.researchgate.net/publication/325314400_Sparse_Test_Problems_for_Unconstrained_Optimization
52- """ ,
53- :origin_notes => raw """
54- Problem :
55- The chained Woods problem, a variant on Woods function
56- This problem is a sum of n/2 sets of 6 terms, each of which is
57- assigned its own group. For a given set i, the groups are
58- A(i), B(i), C(i), D(i), E(i) and F(i). Groups A(i) and C(i) contain 1
59- nonlinear element each, denoted Y(i) and Z(i).
60- The problem dimension is defined from the number of these sets.
61- The number of problem variables is then 2 times + 2 as large
62- This version uses a slightly unorthodox expression of Woods
63- function as a sum of squares (see Buckley)
64- Source: problem 8 in
65- A.R.Conn,N.I.M.Gould and Ph.L.Toint,
66- "Testing a class of methods for solving minimization
67- problems with simple bounds on their variables,
68- Mathematics of Computation 50, pp 399-430, 1988.
69- SIF input: Nick Gould and Ph. Toint, Dec 1995.
70- classification SUR2-AN-V-0
7165""" ,
7266 :reference => raw """
73- @techreport{LuksanMatonohaVlcek2003,
74- author = {Luksan, Ladislav and Matonoha, Cestmir and Vlcek, Jan},
75- title = {Modified {CUTE} Problems for Sparse Unconstrained Optimization},
76- institution = {Institute of Computer Science, Academy of Sciences of the Czech Republic},
77- number = {1081},
78- year = {2003},
79- address = {Prague, Czech Republic},
80- url = {http://www.cs.cas.cz/matonoha/download/V1081.pdf},
81- }
67+ @article{ConnGouldToint1988MathComp,
68+ author = {Conn, Andrew R. and Gould, Nicholas I. M. and Toint, Philippe L.},
69+ title = {Testing a class of methods for solving minimization problems with simple bounds on the variables},
70+ journal = {Mathematics of Computation},
71+ year = {1988},
72+ volume = {50},
73+ number = {182},
74+ pages = {399--430},
75+ doi = {10.1090/s0025-5718-1988-0929544-3}
76+ }
8277 """ ,
8378
8479 :lib => " CUTEst:CHAINWOO, Luksan:5, LuksanSparse:2" ,
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