python之featVec[:axis]｜extend｜append

标签：ima   技术   向量   reduce   data   分享图片   png   print   features   

features = [1,2,3,4]
retDataSet=[]
reducedFeatVec=features[:0]    
print(reducedFeatVec)
reducedFeatVec.extend(features[1:])   #从1开始往 后加进来
print(reducedFeatVec)
retDataSet.append(reducedFeatVec) #变为向量
print(retDataSet)

python之featVec[:axis]｜extend｜append

标签：ima   技术   向量   reduce   data   分享图片   png   print   features   

原文地址：https://www.cnblogs.com/judejie/p/9042681.html