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Theory and Modern Applications

Table 3 The approximation λk,Nand the exact solution λ k are all inside the interval [a−, a+] for different values of ε, where N = 20, m = 6, θ = 1/7

From: Computation of eigenvalues of discontinuous dirac system using Hermite interpolation technique

λ k Exact λ k

[a−, a+], ε= 10−8

[a−, a+], ε= 10−12

λ k,N

λ−2 −3.5582593202564599

[−3.753326, −3.387861]

[−3.565657, −3.551497]

−3.5582593202488253

λ−1 −1.9874629934615633

[−2.134039, −1.835158]

[−1.991487, −1.983156]

−1.9874629934659096

λ0 −0.4166666666666667

[−0.562608, −0.277479]

[−0.427095, −0.406713]

−0.41666666665625623

λ1 1.1541296601282299

[1.017775, 1.295214]

[1.153811, 1.154454]

1.1541296601279385

λ2 2.7249259869231266

[2.561929, 2.895812]

[2.711312, 2.738729]

2.7249259869365776

  1. E 5 ( G θ , m ) = 1 . 7659 × 1 0 6 , E 4 ( G θ , m ) = 278897 , ℓ = 1 , M G θ , m = 4563 . 57