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  ______     ___     __   _    _    _     ______  
 /_   _//   / _ \\  | || | || | || | ||  /_   _// 
 `-| |,-   / //\ \\ | '--' || | || | ||    | ||   
   | ||   |  ___  ||| .--. || | \\_/ ||   _| ||   
   |_||   |_||  |_|||_|| |_||  \____//   /__//    
   `-`'   `-`   `-` `-`  `-`    `---`    `--`

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發送短信 : Advantages of direct input-to-output connections in neural networks : the Elman network for stock index forecasting