resolvent cubic
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1: 1.11 Zeros of Polynomials
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Cubic Equations
… ►For the roots of and the roots of the resolvent cubic equation … ►
1.11.20
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►Resolvent cubic is with roots , , , and , , .
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2: 4.43 Cubic Equations
§4.43 Cubic Equations
…3: Viewing DLMF Interactive 3D Graphics
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►Until these issues are resolved we cannot guarantee that the DLMF WebGL visualizations can be viewed in Internet Explorer.
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4: 16.6 Transformations of Variable
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Cubic
…5: 3.8 Nonlinear Equations
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3.8.3
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►If , then the convergence is quadratic; if , then the convergence is cubic, and so on.
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►The rule converges locally and is cubically convergent.
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6: 1.18 Linear Second Order Differential Operators and Eigenfunction Expansions
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►this being a matrix element of the resolvent
, this being a key quantity in many parts of physics and applied math, quantum scattering theory being a simple example, see Newton (2002, Ch. 7).
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1.18.66
, .
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►In unusual cases , even for all , such as in the case of the Schrödinger–Coulomb problem () discussed in §18.39 and §33.14, where the point spectrum actually accumulates at the onset of the continuum at , implying an essential singularity, as well as a branch point, in matrix elements of the resolvent, (1.18.66).
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►The resolvent set
consists of all such that (i) is injective, (ii) is dense in , (iii) the resolvent
is bounded.
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7: 28.14 Fourier Series
8: Bibliography J
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On the simple cubic lattice Green function.
Philos. Trans. Roy. Soc. London Ser. A 273, pp. 583–610.
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On the cubic lattice Green functions.
Proc. Roy. Soc. London Ser. A 445, pp. 463–477.
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9: 19.29 Reduction of General Elliptic Integrals
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►These theorems reduce integrals over a real interval of certain integrands containing the square root of a quartic or cubic polynomial to symmetric integrals over containing the square root of a cubic polynomial (compare §19.16(i)).
…Cubic cases of these formulas are obtained by setting one of the factors in (19.29.3) equal to 1.
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►In the cubic case () the basic integrals are
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►(This shows why is not needed as a basic integral in the cubic case.)
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►In the cubic case, in which , , (19.29.26) reduces further to
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