theorem 5.86 Simultaneous diagonalization of a definite pencil

open in the book · parts/02-mathematical-methods/03-linear-algebra-representations.tex:3761 · p. 141

Rests on

Supports

Neighborhood

Every logical edge within two steps of this node.

theorem 5.86: Simultaneous diagonalization of a definite pencil5.86proposition 5.28: Gram–Schmidt5.28theorem 5.84: Spectral theorem for a real symmetric operator5.84theorem 5.116: Sylvester's law of inertia5.116corollary 5.89: Rayleigh–Ritz5.89proposition 5.88: Rayleigh quotient of a definite pencil5.88proof : ch:03-linear-algebra-representations@proof-35proofdefinition 5.14: Linear independence5.14definition 5.18: Inner product5.18definition 5.27: Orthonormal basis5.27equation 5.44: eq:lin-norm-assoc5.44corollary 5.29: Orthogonal decomposition5.29proposition 12.23: Gram–Schmidt in a Hilbert space12.23proposition 5.42: The adjoint exists, is unique, and is linear5.42proposition 5.155: Averaging trick5.155proof : ch:03-linear-algebra-representations@proof-5prooftheorem 5.71: The eigenvalues are the roots of the characteristic polynomial5.71theorem 5.79: Spectral theorem for a self-adjoint operator5.79corollary 5.91: The operator norm of a real array5.91lemma A.610: Block positivityA.610lemma A.601: Several variables, complex symmetric matrixA.601lemma A.600: The real part of an inverseA.600proposition 5.90: Polar decomposition5.90proposition 5.94: Principal axes of a real quadratic form5.94proposition 5.92: The eigenvalues do not control the norm5.92proof : ch:03-linear-algebra-representations@proof-34proofdefinition 5.110: Bilinear map5.110definition 5.111: Symmetric and antisymmetric forms5.111equation 5.139: eq:lin-bilinear-congruence5.139definition 5.117: Signature5.117definition 10.6: Type of a second-order operator10.6proposition 30.30: Stability bounds30.30remark 7.107: What the Hessian is for7.107theorem 28.33: Normal modes28.33theorem 10.8: The type is a coordinate invariant10.8proof : ch:03-linear-algebra-representations@proof-53proofproof : ch:03-linear-algebra-representations@proof-37proofproof : ch:03-linear-algebra-representations@proof-36proof

Edges

typedirectionnode provenancewhere
depends_on Gram–Schmidt declared parts/02-mathematical-methods/03-linear-algebra-representations.tex:3781
depends_on Spectral theorem for a real symmetric operator declared parts/02-mathematical-methods/03-linear-algebra-representations.tex:3781
depends_on Sylvester's law of inertia declared parts/02-mathematical-methods/03-linear-algebra-representations.tex:3781
depends_on Rayleigh–Ritz declared parts/02-mathematical-methods/03-linear-algebra-representations.tex:3929
depends_on Rayleigh quotient of a definite pencil declared parts/02-mathematical-methods/03-linear-algebra-representations.tex:3886
proves ch:03-linear-algebra-representations@proof-35 declared parts/02-mathematical-methods/03-linear-algebra-representations.tex:3785