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Theory and Modern Applications

Table 2 Spatial convergence rates in \({L_{\infty }}\) and temporal rates

From: Fourth-order finite difference scheme and efficient algorithm for nonlinear fractional Schrödinger equations

α

1/h

1/τ

\(\|u-u_{h}\|_{\infty }\)

Spatial rate

Temporal rate

1.3

24

28

6.8790e-6

  

25

210

3.9392e-7

4.1280

2.0640

26

212

5.4708e-8

2.8482

1.4241

27

214

4.2566e-9

3.6839

1.8733

1.9

24

28

1.5877e-5

  

25

210

1.5608e-6

3.3414

1.8357

26

212

1.1740e-7

3.7327

1.8663

27

214

6.9972e-9

4.0685

2.0342