Simon Willison’s Weblog

Subscribe

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

Recent articles

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

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe