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EMA(Exponential Moving Average)是指数平均数指标
EMA(Exponential Moving Average)是指数平均数指标 def EMA(df_close, N): weight = [] for i in range(N): weight_i = 2 / (N + 1) * (N - i) / N weight.append(weight_i) # print(weig...原创 2018-07-21 20:07:59 · 2198 阅读 · 0 评论 -
array升维
问题描述:array升维 eg:(128,128,4)加一层(128,128,1) 变成 (128,128,5) I have an array A that has shape (480, 640, 3), and an array B with shape (480, 640). How can I append these two as one array with shape (480...原创 2018-08-04 18:23:08 · 728 阅读 · 0 评论
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