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Boundary Value Problems

Table 2 Comparison of the methods in [24, 25, 28] and \(MSJCOPMM\) for Example 7.3 using \(\alpha =\beta =1\)

From: Enhanced shifted Jacobi operational matrices of derivatives: spectral algorithm for solving multiterm variable-order fractional differential equations

t

MSJCOPMM(N = 0,1,…,6)

[28] (N = 4)

[25] (N = 2)

[24](N = 2)

0.2

0

8.091305×10−12

1.818101×10−12

0

0.4

0

2.024535×10−12

1.817213×10−12

8.881784×10−16

0.6

0

9.564669×10−12

1.820765×10−12

1.776356×10−15

0.8

0

1.696030×10−12

1.818989×10−12

1.776356×10−15

1.0

0

1.734222×10−12

1.818989×10−12

0

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