Partial Derivatives: These are derivatives of functions with more than one variable, taken with respect to one variable at a time. In the context of gradient descent, partial derivatives tell you how ...

The original version of this story appeared in Quanta Magazine. Calculus is a powerful mathematical tool. But for hundreds of years after its invention in the 17th century, it stood on a shaky ...

In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as nothing less than a “deplorable evil.” In time, it would transform the foundations of mathematics.