Mathematical Problems in Engineering

Research Article

Mixture of Generalized Gamma Density-Based Score Function for Fastica

Figure 2

The probability density function of MGΓD for 𝑘 = 2 , 𝑐 1 = 2 , 𝑐 2 = 7 , 𝛼 1 = 𝛼 2 = 0 . 5 , and 𝛽 1 = 𝛽 2 = 2 with different weight 𝑚 1 = 0 . 7 , 0 . 3 , 0 . 4 , 0 . 6 , 𝑚 2 = 1 − 𝑚 1 , and power parameters 𝛾 1 = 1 . 9 , 2 , 2 . 5 , 3 and 𝛾 2 = 2 , 4 , 4 . 3 , 1 . 5 ( 𝑔 , 𝑓 , ℎ , 𝑤 ) , respectively.
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