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Theory and Modern Applications

Table 2 Maximum absolute errors of problem ( 65 )

From: New spectral collocation algorithms for one- and two-dimensional Schrödinger equations with a Kerr law nonlinearity

N  =  M

\(\boldsymbol{\alpha }_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\beta }_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\alpha }_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{\beta }_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{-\frac{1}{2}}\)

\(\boldsymbol{\alpha }_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\beta }_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\alpha }_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{\beta }_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{\frac{1}{2}}\)

\(\boldsymbol{\alpha }_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\beta }_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\frac{1}{2}}\) , \(\boldsymbol{\alpha }_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{\beta }_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{-\frac{1}{2}}\)

\(\boldsymbol{M}_{\boldsymbol{1}}\)

\(\boldsymbol{M}_{\boldsymbol{2}}\)

\(\boldsymbol{M}_{\boldsymbol{1}}\)

\(\boldsymbol{M}_{\boldsymbol{2}}\)

\(\boldsymbol{M}_{\boldsymbol{1}}\)

\(\boldsymbol{M}_{\boldsymbol{2}}\)

4

2.20 × 10−3

2.64 × 10−3

2.14 × 10−3

2.43 × 10−3

2.13 × 10−2

2.46 × 10−3

8

7.64 × 10−8

7.48 × 10−8

1.29 × 10−7

1.24 × 10−7

4.33 × 10−8

3.87 × 10−8

12

3.81 × 10−13

3.77 × 10−13

9.46 × 10−13

9.46 × 10−13

4.32 × 10−13

4.40 × 10−13

16

5.50 × 10−15

4.101 × 10−15

3.69 × 10−15

3.44 × 10−15

2.33 × 10−15

2.33 × 10−15

20

3.66 × 10−15

3.66 × 10−15

9.83 × 10−15

7.22 × 10−15

2.33 × 10−15

2.33 × 10−15