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GitHub
17 年
8.2.2 TAR模型的Python实现.ipynb
" x = np.c_[[1]*tmpdata.shape[0],tmpdata[:,0:p]]\n", " coef = np.matmul(np.matmul(np.linalg.inv(np.matmul(x.T,x)),x.T),tmpdata[:,p])\n", " epsilon = tmpdata[:,p] - np ...
GitHub
19 年
先从一道题目开始~
给定一个三角形,找出自顶向下的最小路径和。每一步只能移动到下一行中相邻的结点上。 例如,给定三角形: [ [2], [3,4], [6,5,7], [4,1,8,3] ] 自顶向下的最小路径和为 11(即,2 + 3 + 5 + 1 = 11)。
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