Now, posts full of emojis that use gradient descent for a classical problem with an efficient analytical solution (https://en.m.wikipedia.org/wiki/Linear_least_

Now, posts full of emojis that use gradient descent for a classical problem with an efficient analytical solution (https://en.m.wikipedia.org/wiki/Linear_least_squares https://en.m.wikipedia.org/wiki/Linear_least_squares) that you learn of in any ML class make it to front page...