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Table 1 Numerical results, Example 1

From: Adaptive variational discretization approximation method for parabolic optimal control problems

h

k

\(|\!|\!|u-u_{h}|\!|\!|\)

Rate

\(|\!|\!|P_{h}y-y_{h}|\!|\!|_{1}\)

Rate

\(|\!|\!|P_{h}p-p_{h}|\!|\!|_{1}\)

Rate

\(\frac{1}{10}\)

\(\frac{1}{10}\)

4.59597e−02

–

7.21635e−03

–

9.51033e−03

–

\(\frac{1}{20}\)

\(\frac{1}{40}\)

1.23011e−02

1.90

1.70370e−03

2.08

2.24615e−03

2.08

\(\frac{1}{40}\)

\(\frac{1}{160}\)

3.11887e−03

1.97

4.22468e−04

2.01

5.55263e−04

2.01

\(\frac{1}{80}\)

\(\frac{1}{640}\)

7.81133e−04

1.99

1.05482e−04

2.00

1.38467e−04

2.00