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Table 2 Numerical values of \(\pmb{\beta_{n}}\) and \(\pmb{\gamma_{n}}\) when \(\pmb{L = 1}\)

From: Spectral analysis of the integral operator arising from the beam deflection problem on elastic foundation II: eigenvalues

n

Name

Value

(2 π ( n  − 1) π /2)/ L

1

\(h^{-1}(2\pi- \pi/2)\)

1.158670738392296

 

\(\beta_{1}\)

1.191421197714390

−1.570796326794896

\(h^{-1}(2\pi)\)

1.750980760482237

 

\(\gamma_{1}\)

2.637856739191656

1.570796326794896

\(h^{-1}(2\pi+ \pi/2)\)

2.673553841718542

 

2

\(h^{-1}(4\pi- \pi/2)\)

5.256787217675680

 

\(\beta_{2}\)

5.262300407849289

4.712388980384689

\(h^{-1}(4\pi)\)

6.707921416840514

 

\(\gamma_{2}\)

8.200207778135508

7.853981633974483

\(h^{-1}(4\pi+ \pi/2)\)

8.200581481509233

 

3

\(h^{-1}(6\pi- \pi/2)\)

11.247700835446595

 

\(\beta_{3}\)

11.247720678493973

10.995574287564276

\(h^{-1}(6\pi)\)

12.787998043974640

 

\(\gamma_{3}\)

14.334797074430887

14.137166941154069

\(h^{-1}(6\pi+ \pi/2)\)

14.334798038235459

 

4

\(h^{-1}(8\pi- \pi/2)\)

17.441107108879219

 

\(\beta_{4}\)

17.441107153760840

17.278759594743862

\(h^{-1}(8\pi)\)

18.998568977749238

 

\(\gamma_{4}\)

20.558043111829927

20.420352248333656

\(h^{-1}(8\pi+ \pi/2)\)

20.558043113872500

 

5

\(h^{-1}(10\pi- \pi/2)\)

23.681452204590053

 

\(\beta_{5}\)

23.681452204681734

23.561944901923449

\(h^{-1}(10\pi)\)

25.244839588317457

 

\(\gamma_{5}\)

26.809088990153228

26.703537555513242

\(h^{-1}(10\pi+ \pi/2)\)

26.809088990157306