Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Computation of the eigenvalues for the angular and Coulomb spheroidal
  wave equation   In this paper we study the eigenvalues of the angular spheroidal wave
equation and its generalization, the Coulomb spheroidal wave equation. An
associated differential system and a formula for the connection coefficients
between the various Floquet solutions give rise to an entire function whose
zeros are exactly the eigenvalues of the Coulomb spheroidal wave equation. This
entire function can be calculated by means of a recurrence formula with
arbitrary accuracy and low computational cost. Finally, one obtains an
easy-to-use method for computing spheroidal eigenvalues and the corresponding
eigenfunctions.

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The categories of this paper are: q-bio
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The categories of this paper are: solv-int
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The categories of this paper are: q-alg
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The categories of this paper are: gr-qc
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The categories of this paper are: quant-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: adap-org
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The categories of this paper are: patt-sol
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The categories of this paper are: atom-ph
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The categories of this paper are: stat
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The categories of this paper are: acc-phys
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The categories of this paper are: nlin
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The categories of this paper are: comp-gas
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The categories of this paper are: q-fin
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The categories of this paper are: alg-geom
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The categories of this paper are: plasm-ph