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Introducing the vfunc R package
Robin K. S. Hankin
, it is natural to define as the function that maps to . However, in base R, objects of class func…
The free algebra in R
Robin K. S. Hankin
The free algebra is an interesting and useful algebraic object. Here I introduce "freealg", an R package which furnishes computational support for free algebras. The package uses t…
Stokes's theorem in R
Robin K. S. Hankin
In this short article I introduce the stokes package which provides functionality for working with tensors, alternating forms, wedge products, and related concepts from the exterio…
Fast multivariate polynomials in R: the mvp package
Robin K. S. Hankin
In this short article I introduce the mvp package, which provides some functionality for handling multivariate polynomials. The package uses the C++ Standard Template Library's map…
Sparse arrays in R: the spray package
Robin K. S. Hankin
In this short article I introduce the spray package, which provides some functionality for handling sparse arrays. The package uses the C++ Standard Template Library's map class to…
Disordered vectors in R: introducing the disordR package
Robin K. S. Hankin
Objects in the {\tt stl map} class of {\tt C++} associate a value to each of a set of keys. Accessing values or keys of such an object is problematic in the R programming language…