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solutions as trigonometric and hyperbolic functions

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21: Bibliography F
  • H. E. Fettis (1976) Complex roots of sin z = a z , cos z = a z , and cosh z = a z . Math. Comp. 30 (135), pp. 541–545.
  • A. S. Fokas and M. J. Ablowitz (1982) On a unified approach to transformations and elementary solutions of Painlevé equations. J. Math. Phys. 23 (11), pp. 2033–2042.
  • A. S. Fokas and Y. C. Yortsos (1981) The transformation properties of the sixth Painlevé equation and one-parameter families of solutions. Lett. Nuovo Cimento (2) 30 (17), pp. 539–544.
  • C. L. Frenzen (1990) Error bounds for a uniform asymptotic expansion of the Legendre function Q n m ( cosh z ) . SIAM J. Math. Anal. 21 (2), pp. 523–535.
  • F. N. Fritsch, R. E. Shafer, and W. P. Crowley (1973) Solution of the transcendental equation w e w = x . Comm. ACM 16 (2), pp. 123–124.
  • 22: 36.4 Bifurcation Sets
    These are real solutions t j ( 𝐱 ) , 1 j j max ( 𝐱 ) K + 1 , of … These are real solutions { s j ( 𝐱 ) , t j ( 𝐱 ) } , 1 j j max ( 𝐱 ) 4 , of … Hyperbolic umbilic bifurcation set (codimension three): … Hyperbolic umbilic cusp line (rib): …
    §36.4(ii) Visualizations
    23: 36.7 Zeros
    where ξ n is the real solution of … The zeros are approximated by solutions of the equation …There are also three sets of zero lines in the plane z = 0 related by 2 π / 3 rotation; these are zeros of (36.2.20), whose asymptotic form in polar coordinates ( x = r cos θ , y = r sin θ ) is given by …
    §36.7(iv) Swallowtail and Hyperbolic Umbilic Canonical Integrals
    The zeros of these functions are curves in 𝐱 = ( x , y , z ) space; see Nye (2007) for Φ 3 and Nye (2006) for Φ ( H ) .
    24: Bibliography S
  • J. L. Schonfelder (1980) Very high accuracy Chebyshev expansions for the basic trigonometric functions. Math. Comp. 34 (149), pp. 237–244.
  • R. S. Scorer (1950) Numerical evaluation of integrals of the form I = x 1 x 2 f ( x ) e i ϕ ( x ) 𝑑 x and the tabulation of the function Gi ( z ) = ( 1 / π ) 0 sin ( u z + 1 3 u 3 ) 𝑑 u . Quart. J. Mech. Appl. Math. 3 (1), pp. 107–112.
  • H. Segur and M. J. Ablowitz (1981) Asymptotic solutions of nonlinear evolution equations and a Painlevé transcendent. Phys. D 3 (1-2), pp. 165–184.
  • P. N. Shivakumar and R. Wong (1988) Error bounds for a uniform asymptotic expansion of the Legendre function P n m ( cosh z ) . Quart. Appl. Math. 46 (3), pp. 473–488.
  • R. Spigler (1984) The linear differential equation whose solutions are the products of solutions of two given differential equations. J. Math. Anal. Appl. 98 (1), pp. 130–147.
  • 25: 2.7 Differential Equations
    All solutions are analytic at an ordinary point, and their Taylor-series expansions are found by equating coefficients. … has twice-continuously differentiable solutions …Here F ( x ) is the error-control function
    §2.7(iv) Numerically Satisfactory Solutions
    Another is w 3 ( z ) = cosh z , w 4 ( z ) = sinh z . …