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Table 1 The numerical results at \(\pmb{t=1}\) with \(\pmb{\alpha=0.9}\) , \(\pmb{p=5.16}\) , and \(\pmb{N=5\mbox{,}000}\) for Example 6.1

From: An exponential B-spline collocation method for the fractional sub-diffusion equation

M \(\boldsymbol{\|u-u_{N}\|_{L^{2}}}\) Cov. rate \(\boldsymbol{\|u-u_{N}\|_{L^{\infty}}}\) Cov. rate
10 8.6951e-4 - 1.3969e-3 -
20 2.2384e-4 1.9578 3.6042e-4 1.9545
40 5.7089e-5 1.9712 9.2262e-5 1.9659
80 1.5162e-5 1.9127 2.4710e-5 1.9007