Table 1 Convergence and stability analysis.

From: A numerical approach to fractional Volterra–Fredholm integro-differential problems using shifted Chebyshev spectral collocation

\({\mathcal {M}}\)

\(L^\infty\) Error

\(L^2\) Error

Rate

Condition number

Stability factor

3

0.22110000

0.08432500

–

4.12\(\times 10^2\)

1.85

5

0.10110000

0.03057500

1.45

7.56\(\times 10^3\)

2.41

7

0.02350000

0.00701250

2.12

2.14\(\times 10^4\)

3.07

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