原文:【python問題系列--4】ValueError: operands could not be broadcast together with shapes (100,3) (3,1)

背景:dataMatrix是 , 的列表,labelMat是 , 的列表,weights是 , 的數組,屬性如下代碼所示: gt gt gt import types gt gt gt type dataMatrix lt type list gt gt gt gt type labelMat lt type list gt gt gt gt type weights lt type numpy. ...

2015-10-09 22:51 0 22748 推薦指數:

查看詳情

python broadcast機制

pythonbroadcast機制非常實用,在python中的廣播機制其實很簡單,我們看兩個例子。 #eg.1import numpy as np A=np.array([[56.0,0.0,4.4,68.0], [1.2,104.0,52.0,8.0 ...

Sat Aug 24 22:08:00 CST 2019 0 890
 
粵ICP備18138465號   © 2018-2025 CODEPRJ.COM