NumPy
Fundamental array computing library for Python — the backbone of the entire scientific Python ecosystem.
NumPy provides multi-dimensional arrays and a library of mathematical operations that run in optimised C and Fortran code. It is the common data exchange format of the scientific Python stack — Pandas, SciPy, scikit-learn, PyTorch, and TensorFlow all interoperate with NumPy arrays. Vectorised operations over arrays replace explicit loops, giving 10-100x speedups.
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scientific-computingarraysmathpythondata-sciencelinear-algebra