Eric Is Thirsty

Eric the ladybug is an artist and traveler. He went to a mountain to watch the sunset and drew a painting of it. The next day when he woke up, he feels so thirsty and needs to find some water to drink. Will he be able to find the lowest point near him in order to find a water source?

After an adventure with Eric the thirsty ladybug, you will know the most important intuition in machine learning, gradient descent.