Comprehensive Introduction to NumPy: ndarray, Creation, Indexing, Operations, Linear Algebra, I/O, and Real‑World Data Analysis
This article provides a thorough overview of NumPy, covering its core ndarray structure, various array creation methods, indexing and slicing techniques, vectorized operations with broadcasting, statistical and linear‑algebra functions, file input/output, and a practical data‑analysis example, all illustrated with executable Python code.