NumPy

Foundational numerical computing library for Python. The backbone of the entire scientific computing stack.

Proficiency: Expert · 5+ years

Core usage

• N-dimensional array operations with broadcasting
• Linear algebra: np.linalg for eigenvalues, SVD, matrix ops
• FFT for signal processing in Physics experiments
• Random number generation for Statistics simulations
• Speed-critical operations before reaching for PyTorch

Related: Python, Pandas, Data Science, Mathematics