翔泳社では、「独習」「徹底入門」「スラスラわかる」「絵で見てわかる」「一年生」などの人気シリーズをはじめ、言語や開発手法、最新技術を解説した書籍を多数手がけています。プロジェクトマネジメントやチームビルティングといった管理職向けの ...

Last time, I briefly covered the basics of Python for data science. Today, I took the next step and studied NumPy, which is a linear algebra library for Python. It is a basic module for data science!

We can cast an ordinary python list as a NumPy one-dimensional array. We can also cast a python list of lists to a NumPy two-dimensional array. Usually we will build arrays by using NumPy's ...