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Table 2 Slopes of the lines associated with the obstacles \({\mathcal{Q}_{\mathbf{z}_{i},\varepsilon}} \), \(i=1, \ldots, 4\)

From: Obstacle detection in fluid flow using asymptotic analysis technique

Obstacle \({\mathcal{Q}}_{\mathbf{z}_{i}, \varepsilon}\)\({\mathcal {Q}}_{\mathbf{z}_{1}, \varepsilon}\)\({\mathcal{Q}}_{\mathbf{z}_{2}, \varepsilon}\)\({\mathcal{Q}}_{\mathbf{z}_{3}, \varepsilon}\)\({\mathcal {Q}}_{\mathbf{z}_{4}, \varepsilon}\)
Obtained slope \(\alpha_{i}\)−1.2−1.197−1.216−1.23