tspmeta1.2 package

Instance Feature Calculation and Evolutionary Instance Generation for the Traveling Salesman Problem

as_TSP

Convert to TSP instance object of package TSP.

autoplot.tsp_instance

Plot TSP instance.

center_of_mass

Return the center of all cities of a TSP instance.

fast_two_opt

Runs 2-Opt local search on TSP instance.

feature_angle

Angle features.

feature_bounding_box

Bounding box features.

feature_centroid

Centroid features.

feature_chull

Convex hull features.

feature_cluster

Cluster features.

feature_distance

Distance features.

feature_modes

Modes of edge cost distribution feature.

feature_mst

MST features.

feature_nnds

Nearest neighbor features.

features

Calculates list of all TSP features for an instance.

get_solvers

Returns integrated solver names.

greedy_point_matching

Greedy point matching

instance_dim

Get instance dimensionality (space where coords live).

morph_instances

Morphing (convex-combination) of two instances with parameter alpha.

normalization_angle

Calculate rotation angle such that the main axis through the cities is...

normalize_rotation

Normalize an instance w.r.t. its rotation.

number_of_cities

Get number of cities in tsp instance.

numvec_feature_statistics

Computes statistics from a vector of of values.

print.tsp_instance

Print TSP instance

random_instance

Generates a random TSP instance by scattering random points in a hyper...

read_tsplib_instance

Read in a TSPLIB style Traveling Salesman Problem from a file.

read_tsplib_instances

Read in multiple TSPLIB style Traveling Salesman Problems from a direc...

read_tsplib_tour

Read in a TSPLIB style Traveling Salesman Problem tour from a file

remove_zero_distances

Remove any duplicate cities in a tsp instance.

rescale_instance

Rescale coords of TSP instance to [0,1]2[0,1]^2.

rotate_coordinates

Rotate a matrix of 2D coordinates

rotate_instance

Rotate the cities of a TSP instance around a point.

run_solver

Runs a solver on a TSP instance.

tsp_generation_ea

TSP generating EA.

tsp_instance

Generates a TSP instance S3 object either from city coordinates.

Instance feature calculation and evolutionary instance generation for the traveling salesman problem. Also contains code to "morph" two TSP instances into each other. And the possibility to conveniently run a couple of solvers on TSP instances.

  • Maintainer: Bernd Bischl
  • License: BSD_3_clause + file LICENSE
  • Last published: 2015-07-08