Consider a matrix . In general, this matrix has rank Now, suppose we wish to column-center the data. We can … More

# Tag: linear algebra

# Searching for the minimum? Gradient descent to the rescue!

In one of the previous posts, we talked about the Kaczmarz method for solving linear systems. This time, we are gonna provide three … More

# “I am still not quite sure … how can I tell that a matrix is invertible?”

If you’ve thought of that too, then you should check this amazing video : It’s the best way to learn … More

# An idea for calculating powers of matrices

I wanted to share with you a mathematical trick. Nothing too difficult, just not the first thing that someone would … More