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Theory and Modern Applications

Table 2 l ∞ error at N=M=5 for ν=1.5,1.8 and â–³x=â–³t for Example 1

From: The operational matrix formulation of the Jacobi tau approximation for space fractional diffusion equation

â–³x

ν

Sousa [31]

α = β = 0

α = β = 1

α = β = 0.5

α = β = −0.5

1/15

1.5

7.660 × 10−4

1.686 × 10−7

1.076 × 10−7

1.359 × 10−7

1.952 × 10−6

1/20

4.493 × 10−4

1.198 × 10−7

7.257 × 10−8

9.387 × 10−8

1.436 × 10−6

1/25

2.929 × 10−4

8.726 × 10−8

5.081 × 10−8

6.701 × 10−8

1.068 × 10−6

1/30

2.067 × 10−4

6.568 × 10−8

3.697 × 10−8

4.962 × 10−9

8.179 × 10−7

1/15

1.8

4.380 × 10−4

2.794 × 10−8

1.744 × 10−8

2.260 × 10−8

3.175 × 10−7

1/20

2.540 × 10−4

1.955 × 10−8

1.076 × 10−8

1.502 × 10−8

2.307 × 10−7

1/25

1.649 × 10−4

1.399 × 10−8

6.692 × 10−9

1.020 × 10−8

1.705 × 10−7

1/30

1.150 × 10−4

1.032 × 10−8

4.167 × 10−9

7.111 × 10−9

1.279 × 10−7