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Theory and Modern Applications

Table 1 Maximum absolute errors of problem ( 63 )

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

N  =  M

\(\boldsymbol{\alpha }_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\beta }_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\alpha }_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{\beta }_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{0}\)

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

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

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

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

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

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

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

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

4

1.54 × 10−2

1.98 × 10−2

2.33 × 10−2

2.92 × 10−2

2.29 × 10−2

2.88 × 10−2

8

8.04 × 10−7

1.07 × 10−6

1.50 × 10−6

1.98 × 10−6

1.50 × 10−6

2.01 × 10−6

12

5.15 × 10−12

6.88 × 10−12

1.12 × 10−11

1.51 × 10−11

1.13 × 10−11

1.46 × 10−11

16

8.55 × 10−15

9.33 × 10−15

4.61 × 10−15

4.33 × 10−15

5.44 × 10−15

5.77 × 10−15

20

6.66 × 10−15

7.55 × 10−15

3.11 × 10−15

3.33 × 10−15

3.11 × 10−15

3.00 × 10−15