Some of the functionality of the World Plotting Package is now available in CountryData.
Introduction Matrix and Tensor Operations Working with Sparse Arrays
This tutorial reviews the functions that Mathematica provides for building and working with matrices, vectors, and tensors. It focuses on functions that are specific to ...
Sparse representations of matrices are useful because they do not store every element. If one particular value appears very frequently it can be very advantageous to use a ...
Displaying a map. To make a map of an entire continent, you can give the name of the continent in place of the list of country names. Thus, for example, WorldPlot[Oceania] is ...