In RobinHankin/ResistorArray: Electrical Properties of Resistor Networks

library("ResistorArray")

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Overview

The ResistorArray package gives functionality for calculating electrical properties of resistor networks. Any array of resistors may be implemented and a number of special arrays are given as data. For example, a skeleton cube has 8 nodes and a conductance matrix for unit resistors along each edge is given by cube():

cube()

A common puzzle is to calculate the resistance of such a cube between diagonally opposite corners, the answer being $1/3+1/6=1/3=5/6$ (the trick being to observe that nodes equidistant from the corners are at the same potential). This is easily reproduced in the package:

resistance(cube(),1,7)

However, the trick does not work for general resistances but the package has no problem:

resistance(cube(1:12),1,7)

The package includes many other convenience functions; it is still under development.

Installation

To install the most recent stable version on CRAN, use install.packages() at the R prompt:

R> install.packages("ResistorArray")

To install the current development version use devtools:

R> devtools::install_github("RobinHankin/ResistorArray")

And then to load the package use library():

library("ResistorArray")

Reference

R. K. S. Hankin 2006. "Resistor networks in R: introducing the ResistorArray package". R News, 6(2),52-54

RobinHankin/ResistorArray documentation built on Jan. 17, 2024, 5:05 p.m.