The world's most powerful AI runs on a method that is almost 180 years old.
In 1847 the French mathematician Augustin-Louis Cauchy came up with gradient descent - a way to step down to the minimum of an error, one step at a time.
ChatGPT, Claude and every modern neural network use this very principle today.
Cauchy developed the method to calculate the orbits of celestial bodies. Now it trains artificial intelligence.
