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Theory and Modern Applications

Table 8 Absolute errors for Example 2 at \(t=0.1\) with \(\Delta t=0.001\), \(\alpha= 0.5\), \(N=10\), and \(z\in[0,1]\)

From: A numerical investigation of Caputo time fractional Allen–Cahn equation using redefined cubic B-spline functions

z

Exact solution

Approximate solution

Error

0.1

0.0005017

0.0005368

3.511 × 10−5

0.2

0.0009149

0.0009807

6.575 × 10−5

0.3

0.0011690

0.0012574

8.838 × 10−5

0.4

0.0012259

0.0013269

1.010 × 10−4

0.5

0.0010907

0.0011941

1.034 × 10−4

0.6

0.0008133

0.0009103

9.700 × 10−5

0.7

0.0004801

0.0005638

8.364 × 10−5

0.8

0.0001930

0.0002574

6.448 × 10−5

0.9

0.0000319

0.0000702

3.827 × 10−5