symmetric forms
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11: 19.19 Taylor and Related Series
§19.19 Taylor and Related Series
… βΊDefine the elementary symmetric function by … βΊThis form of can be applied to (19.16.14)–(19.16.18) and (19.16.20)–(19.16.23) if we use …The number of terms in can be greatly reduced by using variables with chosen to make . … βΊ12: 18.28 Askey–Wilson Class
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βΊThe Askey–Wilson polynomials form a system of OP’s , , that are orthogonal with respect to a weight function on a bounded interval, possibly supplemented with discrete weights on a finite set.
The -Racah polynomials form a system of OP’s , , that are orthogonal with respect to a weight function on a sequence , , with a constant.
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βΊThe polynomials are symmetric in the parameters .
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βΊAssume are all real, or two of them are real and two form a conjugate pair, or none of them are real but they form two conjugate pairs.
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βΊ
18.28.29
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13: 19.34 Mutual Inductance of Coaxial Circles
§19.34 Mutual Inductance of Coaxial Circles
… βΊ
19.34.5
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βΊ
19.34.6
βΊA simpler form of the result is
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14: 35.6 Confluent Hypergeometric Functions of Matrix Argument
15: 35.7 Gaussian Hypergeometric Function of Matrix Argument
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βΊ
Jacobi Form
… βΊConfluent Form
… βΊLet (a) be orthogonally invariant, so that is a symmetric function of , the eigenvalues of the matrix argument ; (b) be analytic in in a neighborhood of ; (c) satisfy . … βΊ
35.7.10
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βΊ
35.7.11
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16: 1.2 Elementary Algebra
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βΊ
Special Forms of Square Matrices
… βΊa real symmetric matrix if … βΊEquation (3.2.7) displays a tridiagonal matrix in index form; (3.2.4) does the same for a lower triangular matrix. … βΊThe matrix has a determinant, , explored further in §1.3, denoted, in full index form, as … βΊNon-defective matrices are precisely the matrices which can be diagonalized via a similarity transformation of the form …17: 19.26 Addition Theorems
§19.26 Addition Theorems
… βΊEquivalent forms of (19.26.2) are given by …Equivalent forms of (19.26.11) are given by … βΊ§19.26(iii) Duplication Formulas
… βΊEquivalent forms are given by (19.22.22). …18: 21.5 Modular Transformations
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βΊThe modular transformations form a group under the composition of such transformations, the modular group, which is generated by simpler transformations, for which is determinate:
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symmetric with integer elements and even diagonal elements.)
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symmetric with integer elements.)
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19: 1.18 Linear Second Order Differential Operators and Eigenfunction Expansions
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βΊThese are based on the Liouville normal form of (1.13.29).
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βΊ
Self-Adjoint and Symmetric Operators
… βΊConsider formally self-adjoint operators of the form … βΊA linear operator with dense domain is called symmetric if … βΊSelf-adjoint extensions of a symmetric Operator
…20: 18.39 Applications in the Physical Sciences
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βΊThe fundamental quantum Schrödinger operator, also called the Hamiltonian, , is a second order differential operator of the form
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βΊThe solutions (18.39.8) are called the stationary states as separation of variables in (18.39.9) yields solutions of form
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βΊdefines the potential for a symmetric restoring force for displacements from .
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βΊThe orthonormal stationary states and corresponding eigenvalues are then of the form
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βΊThese, taken together with the infinite sets of bound states for each , form complete sets.
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