Essays in Linear Algebra Author:Gilbert Strang This book brings together 27 classic articles by Gilbert Strang on linear algebra, computational science, applied mathematics, and calculus, each introduced by a new essay. The essays present historical background, the current state, and unsolved problems. The topics, each central in the teaching and use of mathematics, include: the four fundam... more »ental subspaces and perfect bases; an effective way to introduce the exponential ex; the finite element method and its accuracy; wavelets and signal processing; the Fundamental Theorem of Calculus; the joint spectral radius; and a great variety of matrices (Toeplitz, circulant, banded, incidence, graph Laplacian, and Pascal matrices).« less