4.3 Vector spaces and inner product spaces (also see 5.5) Vectors Point Toward Pisa, Richard A. Dean, 2:2, 1971, 28-39, 6.3 Orthogonal Basis: A Computational Alternative, Lehi T. Smith, 11:4, 1980, 274, C Cramer's Rule via Selective Annihilation, Dan Kalman, 18:2, 1987, 136-137, C, 4.2 FFF #35. Yet Another Proof that 0=1, Ed Barbeau, Editor, 22:2, 1991, 131, F Rotations in Space and Orthogonal Matrices, David P. Kraines, 22:3, 1991, 245-247, C, 4.1, 4.5 Graphs, Matrices, and Subspaces, Gilbert Strang, 24:1, 1993, 20-28, 4.1, 3.1 The Linear Algebra Curriculum Study Group Recommendations for the First Course in Linear Algebra, David Carlson and Charles R. Johnson and David C. Lay and A. Duane Porter, 24:1, 1993, 41-46, 1.2, 4.1, 4.2, 4.5 Arithmetic Matrices and the Amazing Nine-Card Monte, Dean Clark and Dilip K. Datta, 24:1, 1993, 52-56 Subspaces and Echelon Forms, David C. Lay, 24:1, 1993, 57-62 A Geometric Interpretation of the Columns of the (Pseudo)Inverse of A, Melvin J. Maron and Ghansham M. Manwani, 24:1, 1993, 73-75, C A Class of Pleasing Periodic Designs, Federico Fernandez, 29:1, 1998, 18-26, 9.3, 9.4 When Is "Rank" Additive?, David Callan, 29:2, 1998, 145-147, C Generating Exotic-Looking Vector Spaces, Michael A. Carchidi, 29:4, 1998, 304-308, C A Picture is Worth a Thousand Words, J. B. Thoo, 29:5, 1998, 408-411, C FFF #153. The Schwarz-Cauchy Inequality, M. J. de la Puente, 30:5, 1999, 385, F Elementary Linear Algebra and the Division Algorithm, Airton von Sohsten de Medeiros, 33:1, 2002, 51-52, C, 9.4 Mind Your Ős and Ős, Stephen M. Walk, 35:5, 2004, 362-369, 9.1 The Sample Correlation Coefficient from a Linear Algebra Perspective, C. Ray Rosentrater, 37:1, 2006, 47-50, C, 7.3 A Geometric View of Complex Trigonometric Functions, Richard Hammack, 38:3, 2007, 210-217, 0.6, 9.5 A Direct Proof that Row Rank Equals Column Rank, Nicholas Loehr, 38:4, 2007, 300-301, C A Tricky Linear Algebra Example, David Sprows, 39:1, 2008, 54-56, C, 4.2 The Cross Product as a Polar Decomposition, Gotz Trenkler, 39:3, 2008, 237-239, C, 4.1, 5.5