Anomaly Detection for Aviation Safety Based on an Improved KPCA Algorithm

Algorithm 2

GPU code of gradient descent algorithm for obtaining the optimal RBF parameter.

Input. : the training set

Output. : the optimal RBF parameter

(1)

(2)

(3)

(4) Transfer from CPU to GPU

(5) Transfer from CPU to GPU

(6) repeat

(7)  (GPU)

(8)  (GPU)

(9)  

(10) until convergence