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Figure 5

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One critical point, w 12 = 2, w 21 = −2, μ 1 = μ 2 = 3.5, θ 1 = 1.3, θ 2 = −1.0, w 11 = w 22 = 0.
One critical point, w 12 = 2, w 21 = −2, μ 1 = μ 2 = 3.5, θ 1 = 1.3, θ 2 = −1.0, w 11 = w 22 = 0.