Table 3 Optimum cover thickness under different possibility and importance levels.

From: Fuzzy optimal control of multilayer coverage based on radon exhalation dynamics in uranium tailings

\(\alpha\) Cut set

\(p\)

\(q\)

\(\gamma\)

\(x_{1}\)

\(x_{2}\)

\(x_{3}\)

\(U_{GC}\)

0.2

0.8

0.1

0.1

0.4549

0.2263

0.3163

1.0000

0.5

0.2

0.3

0.4532

0.2207

0.3096

1.0000

0.2

0.3

0.5

0.4236

0.2538

0.3167

1.0000

0.5

0.8

0.1

0.1

0.4467

0.2206

0.3183

1.0000

0.5

0.2

0.3

0.4387

0.2212

0.3183

1.0000

0.2

0.3

0.5

0.4222

0.2533

0.3199

1.0000

0.8

0.8

0.1

0.1

0.4200

0.2902

0.3200

0.9924

0.5

0.2

0.3

0.4217

0.2583

0.3200

0.9950

0.2

0.3

0.5

0.4222

0.2578

0.3200

0.9980