... second to last equation to get the second to last unknown. This isrepeated until the entire system is solved.An Introduction to Linear Algebra Barry M. Wise and Neal B. GallagherEigenvector Research, ... manydifferent approaches to the defining the pseudoinverse are used.ConclusionThis introduction to linear algebra, while brief, should include most of what the readerneeds to know in order to tackle the ... way to calculate X+.xypFigure 2. The Projection of the vector y onto the vector x.We may also be interested in the projection of a point y onto a subspace. For instance, wemay want to...