摘要：
File Input and Output NumPy is able to save and load data to and from disk either in text or binary format. In this section I only discuss NumPy's bui 阅读全文
摘要：
Using NumPy arrays enables you to express many kinds of data processing tasks as concise(简明的) array expressions(不用写循环就能用数组表达很多数据过程) that might otherwi 阅读全文