Gradient
Domain: Math & Logic for AI
🎯 Motivation
A vector pointing in the direction of steepest increase. Negative gradient points toward decrease.
📋 Concrete Example
On a hill, the gradient points uphill. To descend, you go in the opposite direction.
🔗 Analogy
Like a compass that always points to the steepest way up a mountain; flip it to find the way down.