DTW + python 矩阵操作 + debug

Posted 渡轮终会回航

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1.  from here.

diagonalReturn specified diagonals.

diagflatCreate a 2-D array with the flattened input as a diagonal.

traceSum along diagonals.

triuUpper triangle of an array.

trilLower triangle of an array.

2. DTW distance. dtaidistance

from dtaidistance import dtw

ds = dtw.distance_matrix_fast(x)

3. sparce matrix in csr format.

4. Bug:        AttributeError: module \'community\' has no attribute \'best_partition\'

import community

但是安装包是不是安装community,而是安装pip intall python-louvain.

 

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