ABSTRACT
This concluding chapter deals with several common and important applications of linear algebra both to other areas of mathematics as well as to science and technology. In the first section we briefly develop the theory and method of linear least squares which can be used to estimate the parameters of a model to a set of observed data points. In the second section we introduce coding theory which is ubiquitous and embedded in all the digital devices we now take for granted. In our final section we discuss how linear algebra is used to define a page rank algorithm that might be applied in a web search engine.
