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Numpy notes
introduce 标准安装的Python中用列表(list)保存一组值,可以用来当作数组使用,不过由于 列表的元素可以是任何对象,因此列表中所保存的是 对象的指针。这样为了保存一个简单的[1,2,3],需要有3个指针和三个整数对象。对于数值运算来说这种结构显然比较 **浪费内存和CPU计算**时间. 此外Python还提供了一个array模块,array对象和列表不同,它直接保存数值,和C...
Posted by Soldier Blog on May 23, 2016
Welcome to Jekyll!
You’ll find this post in your _posts directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways, but the most common way is to run je...
Posted by Soldier Blog on May 23, 2016
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帝都码农大头兵, 主营算法,搞过CV目前在搞推荐,拼命提升中