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Theory and Modern Applications

Table 4 Maximum absolute errors with various choices of N , M , and K for problem ( 70 )

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

N  =  M  =  K

\(\boldsymbol{\alpha}_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\alpha}_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{\alpha}_{\boldsymbol{3}}\boldsymbol{=}\boldsymbol{\beta}_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\beta}_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{\beta}_{\boldsymbol{3}}\boldsymbol{=}\boldsymbol{0}\)

\(\boldsymbol{\alpha}_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\alpha}_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{\alpha}_{\boldsymbol{3}}\boldsymbol{=}\boldsymbol{\beta}_{\boldsymbol{1}}\boldsymbol{=}\boldsymbol{\beta}_{\boldsymbol{2}}\boldsymbol{=}\boldsymbol{\beta}_{\boldsymbol{3}}\boldsymbol{=}\boldsymbol{-\frac{1}{2}}\)

\(\boldsymbol{M}^{\boldsymbol{u}}_{\boldsymbol{E}}\)

\(\boldsymbol{M}^{\boldsymbol{v}}_{\boldsymbol{E}}\)

\(\boldsymbol{M}^{\boldsymbol{\psi}}_{\boldsymbol{E}}\)

\(\boldsymbol{M}^{\boldsymbol{u}}_{\boldsymbol{E}}\)

\(\boldsymbol{M}^{\boldsymbol{v}}_{\boldsymbol{E}}\)

\(\boldsymbol{M}^{\boldsymbol{\psi}}_{\boldsymbol{E}}\)

4

2.73 × 10−5

2.42 × 10−5

3.65 × 10−5

1.13 × 10−5

1.13 × 10−5

2.15 × 10−5

6

6.18 × 10−8

4.00 × 10−8

7.36 × 10−8

3.25 × 10−8

2.17 × 10−8

3.36 × 10−8

8

6.21 × 10−11

3.11 × 10−11

6.85 × 10−11

2.61 × 10−11

2.95 × 10−11

3.05 × 10−11