408 INDEX

quadratic form, 168quotient space, 212quotient vector space, 212

range, 10rank, 117

number of pivot columns, 120rank of a matrix, 99, 116rank one transformation, 281rational canonical form, 255

uniqueness, 258Rayleigh quotient, 368

how close?, 368real numbers, 10real Schur form, 162regression line, 283regular Sturm Liouville problem, 286relatively prime, 22Riesz representation theorem, 278right Cauchy Green strain tensor, 308right polar decomposition, 309row equivalelance

determination, 120row equivalent, 119row operations, 27, 111

inverse, 28linear relations between columns, 117

row rank, 99, 116row reduced echelon form

definition, 118examples, 119existence, 119uniqueness, 120

scalar product, 33scalars, 16, 32, 37Schur’s theorem, 160, 298

inner product space, 298second derivative test, 172self adjoint, 164, 279self adjoint nonnegative

roots, 307set notation, 9sgn, 89

uniqueness, 91shifted inverse power method, 361

complex eigenvalues, 366sign of a permutation, 91similar

matrix and its transpose, 254similar matrices, 88, 108, 219

similarity transformation, 219simple field extension, 207simultaneous corrections, 342simultaneously diagonalizable, 296

commuting family, 298singular value decomposition, 313singular values, 313skew symmetric, 47, 156space of linear transformations

vector space, 281span, 60, 94spanning set

restricting to a basis, 194spectral mapping theorem, 400spectral norm, 329spectral radius, 335, 336spectrum, 143splitting field, 203stochastic matrix, 263subspace, 60, 190

basis, 64, 195complementary, 292dimension, 64invariant, 237

subspacesdirect sum, 234direct sum, basis, 235

substituting matrix into polynomial identity,110

surjective, 10Sylvester, 80

law of inertia, 183dimention of kernel of product, 233

Sylvester’s equation, 292symmetric, 47, 156system of linear equations, 29

tensor product, 281the space AU, 292trace, 167

AB and BA, 167sum of eigenvalues, 178

transpose, 47properties, 47

triangle inequality, 34trivial, 60

union, 9Unitary matrix

representation, 356upper Hessenberg matrix, 383