Tag: Rank

The core object in linear algebra is a linear map, that translates one vector space to another while satisfying certain properties, as described in chapter-1. In this chapter, we’ll introduce the important concept of the rank of a matrix/ linear map. It is a single number (integer) tha...

Flying under the radar this Election Day are cities, counties, and one state voting to accept rank choice voting (RCV). This isn’t the first time there has been a wave of support for RCV. From 1912 and 1930, some forms of RCV were used, but most were repealed by the mid-thirties. There was ano...