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Theory and Modern Applications

Table 2 The RMS values (32) for \(p\in \{0,0.01\%,0.1\%\}\) and \(\beta \in \{0,10^{-12},10^{-11},10^{-10}, 10^{-9},10^{-8},10^{-7}\}\) for Tests 1 and 2

From: An inverse problem of reconstructing the time-dependent coefficient in a one-dimensional hyperbolic equation

Test 1

Test 2

p

β

RMS(α)

Minimum value of \(\mathbb{F}\) or \(\mathbb{F}_{\beta }\)

p

β

RMS(α)

Minimum value of \(\mathbb{F}\) or \(\mathbb{F}_{\beta }\)

0

0

0.0868

\(\mathbb{F}=2.4\mbox{E}{-}30\)

0

0

0.0872

\(\mathbb{F}=8.1\mbox{E}{-}30\)

0.01%

0

3.4204

\(\mathbb{F}=1.3\mbox{E}{-}29\)

0.01%

0

3.3676

\(\mathbb{F}=8.5\mbox{E}{-}30\)

10−10

0.0790

\(\mathbb{F}_{\beta }=1.1\mbox{E}{-}7\)

10−12

0.2368

\(\mathbb{F}_{\beta }=7.1\mbox{E}{-}8\)

10−9

0.0776

\(\mathbb{F}_{\beta }=4.2\mbox{E}{-}7\)

10−11

0.1245

\(\mathbb{F}_{\beta }=2.3\mbox{E}{-}7\)

10−8

0.0982

\(\mathbb{F}_{\beta }=3.2\mbox{E}{-}6\)

10−10

0.2728

\(\mathbb{F}_{\beta }=1.5\mbox{E}{-}6\)

0.1%

0

34.2297

\(\mathbb{F}=1.3\mbox{E}{-}29\)

0.1%

0

33.9465

\(\mathbb{F}=2.1\mbox{E}{-}29\)

10−9

0.1573

\(\mathbb{F}_{\beta }=8.4\mbox{E}{-}6\)

10−11

0.8454

\(\mathbb{F}_{\beta }=6.7\mbox{E}{-}6\)

10−8

0.1100

\(\mathbb{F}_{\beta }=1.1\mbox{E}{-}5\)

10−10

0.5282

\(\mathbb{F}_{\beta }=8.6\mbox{E}{-}6\)

10−7

0.1701

\(\mathbb{F}_{\beta }=3.6\mbox{E}{-}5\)

10−9

0.6936

\(\mathbb{F}_{\beta }=1.6\mbox{E}{-}5\)