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optextras
View on CRAN: Click
here
Download and install optextras package within the R console
Install from CRAN:
install.packages("optextras")
Install from Github:
library("remotes")
install_github("cran/optextras")
Install by package version:
library("remotes")
install_version("optextras", "2019-12.4")
Attach the package and use:
library("optextras")
Maintained by
John C Nash
[Scholar Profile | Author Map]
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2013-11-08
Latest Update: 2019-12-20
Description:
Tools to assist in safely applying user generated objective and
derivative function to optimization programs. These are primarily function
minimization methods with at most bounds and masks on the parameters.
Provides a way to check the basic computation of objective functions that
the user provides, along with proposed gradient and Hessian functions,
as well as to wrap such functions to avoid failures when inadmissible parameters
are provided. Check bounds and masks. Check scaling or optimality conditions.
Perform an axial search to seek lower points on the objective function surface.
Includes forward, central and backward gradient approximation codes.
How to cite:
John C Nash (2013). optextras: Tools to Support Optimization Possibly with Bounds and Masks. R package version 2019-12.4, https://cran.r-project.org/web/packages/optextras
Previous versions and publish date:
Other packages that cited optextras R package
View optextras citation profile
Other R packages that optextras depends,
imports, suggests or enhances
Functions, R codes and Examples using
the optextras R package
Some associated functions: axsearch . bmchk . bmstep . ctrldefault . fnchk . gHgen . gHgenb . grback . grcentral . grchk . grfwd . grnd . hesschk . kktchk . optextras-package . scalechk .
Some associated R codes: axsearch.R . bmchk.R . bmstep.R . ctrldefault.R . fnchk.R . gHgen.R . gHgenb.R . grback.R . grcentral.R . grchk.R . grfwd.R . grnd.R . hesschk.R . kktchk.R . scalechk.R . zzz.R . Full optextras package functions and examples
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