floyd

floyd, an Octave code which demonstrates Floyd's algorithm for finding the shortest distance between every pair of nodes in a directed graph.

Licensing:

The computer code and data files described and made available on this web page are distributed under the MIT license

Languages:

floyd is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.

Related Data and Programs:

floyd_test

cities, a dataset directory which contains a number of city distance datasets.

graph_representation, a data directory of examples of ways of representing abstract mathematical graphs

grf, a data directory which contains a description of the grf format and some examples.

grf_io, an Octave code which reads and writes grf files.

toms097, an Octave code which computes the distance between all pairs of nodes in a directed graph with weighted edges, using floyd's algorithm.

Reference:

1. Robert Floyd,
   Algorithm 97: Shortest Path,
   Communications of the ACM,
   Volume 5, Number 6, page 345, June 1962.
2. Michael Quinn,
   Parallel Programming in C with MPI and OpenMP,
   McGraw-Hill, 2004,
   ISBN13: 978-0071232654,
   LC: QA76.73.C15.Q55.

Source Code:

• floyd.m finds the shortest distances between pairs of nodes in a directed graph.