Simon Willison’s Weblog

24th September 2025

Tool NumPy Vectors & Matrices — Pyodide Lab — Execute NumPy vector and matrix operations directly in your browser using an interactive lab powered by Pyodide. Work through five hands-on exercises covering elementwise operations, dot products, matrix multiplication, broadcasting, and indexing, then experiment freely in the playground sandbox with instant Python output.

Posted 24th September 2025 at 11:35 pm

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This is a beat by Simon Willison, posted on 24th September 2025.

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