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Table 4 \(E^{N,M}_{\varepsilon ,\mu }\) and \(p^{N,M}_{\varepsilon ,\mu }\) with \( \lambda =-1e-03, \) for Example 1

From: Uniformly convergent extended cubic B-spline collocation method for two parameters singularly perturbed time-delayed convection-diffusion problems

\( \varepsilon \downarrow \mu \rightarrow \)

\( N=32 \)

\( N=64 \)

\( N=128 \)

\( N=256 \)

\( \Delta t=0.125/2\)

\( \Delta t=0.125/2^{2}\)

\( \Delta t=0.125/2^{3} \)

\( \Delta t=0.125/2^{4} \)

\(10^{-4}\)

\(10^{-6}\)

\(10^{-8}\)

\(10^{-10}\)

\(10^{-2}\)

\( 5.5116e-03 \)

\( 2.8029e-03 \)

\( 1.4137e-03 \)

\( 7.1003e-04 \)

0.97555

0.98744

0.99352

\(10^{-4}\)

\( 5.5305e-03 \)

\( 2.8183e-03 \)

\( 1.4228e-03 \)

\( 7.1485e-04 \)

0.97258

0.98609

0.99302

\(10^{-6}\)

\( 5.5341e-03 \)

\( 2.8182e-03 \)

\( 1.4228e-03 \)

\( 7.1485e-04 \)

0.97357

0.98604

0.99302

\(10^{-8}\)

\( 5.5349e-03 \)

\( 2.8182e-03 \)

\( 1.4228e-03 \)

\( 7.1485e-04 \)

0.97378

0.98604

0.99302

\(10^{-10}\)

\( 5.5349e-03 \)

\( 2.8182e-03 \)

\( 1.4228e-03 \)

\( 7.1485e-04 \)

0.97378

0.98604

0.99302

\(10^{-12}\)

\( 5.5349e-03 \)

\( 2.8182e-03 \)

\( 1.4228e-03 \)

\( 7.1485e-04 \)

0.97378

0.98604

0.99302

\(E_{\varepsilon ,\mu }^{N,M}\)

\( 5.5349e-03 \)

\( 2.8183e-03 \)

\( 1.4228e-03 \)

\( 7.1485e-04 \)

\(p_{\varepsilon ,\mu }^{N,M}\)

0.97378

0.98604

0.99302

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