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adagio NEWS
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Changes in Version 0.9.2 (2023-10-26)
o change_making() solving the Change Making problem
o Improved Historize() and changed its ouput value considerably.
Changes in Version 0.8.9 (2023-01-30)
o Corrected Nesterov's test functions and gradients, and
added another nonsmooth version Nesterov2().
Changes in Version 0.8.7 (2022-12-18)
o count() added, with functionality similar to table().
o Corrected the help page for fnHald() where abs() was missing.
Changes in Version 0.8.5 (2022-09-30)
o Historize() adds storage for variables and values of a function.
Changes in Version 0.8.4 (2021-04-30)
o bpp_approx() solves the Bin Packing Problem approximately.
Changes in Version 0.8.3 (2021-04-28)
o Small corrections in subsetsum(); added sss_test() -- no indices.
Changed default values of arguments for methods and sorting.
o occurs() finds index positions of subsequences in integer sequences.
o Removed inactive URL links (Hansen's homepage changed).
Changes in Version 0.8.2 (2021-04-24)
o setcover() solves the Set Cover problem in discrete optimization.
o Added a one-line description for testfunction 'fnNesterov1'.
o Corrected help pages for 'knapsack()' and 'mknapsack()'.
Changes in Version 0.8.1 (2021-04-22)
o Removed Fortran code for 'maxsub()' and 'maxsub2d()'.
o 'assignment()' uses 'lp.assign' from the 'lpSolve' package;
now numeric cost matrices are allowed, not only integer ones.
o 'mknapsack()': Fortran code replaced by a linear program;
also interchanged the weight and profit arguments.
Changes in Version 0.8.0 (2021-04-21)
o Restart 'adagio' by avoiding Fortran code now and forever.
o Imports 'lpSolve' for treating mixed-integer linear programs.
Changes in Version 0.7.2 (2019-12-12)
o Corrected maxsub2d() and Fortran, fix provided by Yogesh Bansal.
Changes in Version 0.7.1 (2018-05-16)
o Removed 'adagio-package.Rd' on request of K. Hornick, CRAN.
Changes in Version 0.7.0 (2017-06-28)
o pureCMAES() added a break statement, proposed by R. Biedrzycki.
Changes in Version 0.6.9 (2017-02-07)
o nelmin(), nelminb() renamed to neldermead(), neldermeadb().
o hookejeeves() Hooke-Jeeves minimization (with bound constraints).
o Help page of knapsack() did not mention the interger requirement.
Changes in Version 0.6.7 (2017-02-06)
o nelmin(), nelminb() now use an dimension-adaptive Nelder-Mead
minimization by F. Gao and L. Han.
o simpleDE() returns the number of function evaluations.
Changes in Version 0.6.5 (2016-05-29)
o corrected an error in grNesterov(), as indicated by John Nash.
Changes in Version 0.6.3 (2015-12-06)
o hamiltonian() finds a Hamiltonian path or cycle in a graph given
as a vector of edges (see the 'igraph' package) or an edge list.
Changes in Version 0.6.1 (2015-07-25)
o Reorganized test functions; removed genTestfn() and (re-)introduced
Rosenbrock, Nesterov, Rastrigin, Hald, Shor with their true names;
prepended with a 'fn' for the function, 'gr' for existing gradients.
o Removed linesearch_ww(), linesearch_sw(), and qpspecial() for now.
o trefethen(), wagon() renamed to fnTrefethen(), fnWagon().
o Corrected a call to maxempty() on the help page.
Changes in Version 0.5.9 (2013-10-27)
o fminviz(), flineviz() visualize multivariate functions at (assumed)
minima or along lines in multidimensional space.
Changes in Version 0.5.7 (2013-09-12)
o pureCMAES() Covariance Matrix Adaptation Evolution Strategy
with applications to the Remez problem and L1 regression.
Changes in Version 0.5.4 (2013-08-09)
o genTestfn() generates optimization test functions:
Hald, Nesterov, Nesterov1, Rastrigin, Rosenbrock, Shor.
o maxquad() Lemarechal's MAXQUAD test function generator.
Changes in Version 0.5.1 (2013-06-30)
o linesearch_ww(), linesearch_sw() Wolfe's weak and strong line search.
o qpspecial() special quadratic programming solver.
Changes in Version 0.4.3 (2012-11-11)
o nelmin(), nelminb() Nelder-Mead function minimization according to
O'Neill (Fortran code) and J. Burghardt (Matlab code, LGPL licence).
o transfinite() transformation function between bounded and unbounded
(box constrained) regions.
Changes in Version 0.3.9 (2012-06-19)
o simpleEA() and simpleDE() improved, with boundary conditions.
o simpleEA() speed improved, with new parameters and options.
Changes in Version 0.3.7 (2012-03-24)
o simpleDE() simple differential evolution algorithm for
function minimization.
Changes in Version 0.3.5 (2012-03-17)
o assignment() solves the linear (sum) assignment problem (LSAP)
for integer square cost matrices.
Changes in Version 0.3.3 (2012-03-14)
o maxempty() solves the maximal empty rectangle problem.
Changes in Version 0.3.1 (2012-03-12)
o mknapsack() solves the multiple knapsack problem, utilizing free
Fortran code from the NSCW library of Mathematics Subroutines.
Changes in Version 0.2.8 (2012-02-16)
o knapsack() solves the 0-1 (binary) single knapsack problem
using the dynamic programming approach.
o subsetsum() now with 'greedy' and 'dynamic' methods.
Changes in Version 0.2.5 (2012-01-25)
o maxsub2d() maximal sum subrectangle problem;
uses Fortran code to be able to handle 1000-by-1000 matrices.
Changes in Version 0.2.0 (2012-01-14)
o maxsub() maximal sum subarray (with Ratfor and Fortran code).
o subsetsum() Subset sum routine written in R.
Changes in Version 0.1.6 (2012-01-07)
o Set up as package on R-Forge, part of the Optimist project.
Changes in Version 0.1.5 (2011-07-27)
o simpleEA(), simple evolutionary algorithm for minimum finding.
o Test functions trefethen() and wagon().
o Setting up the package structure and required files.