Timo Denk's Blog

Math, Computer Science, Microcontrollers, and much more!

Tag: Matrix

Matrix Types Cheat Sheet

In the field of linear algebra there are variety of different matrix types. Each has its own definition and relevance. I had trouble finding a good overview online and thought I’d compile a list myself: This article lists a selection […]

February 24, 2019July 30, 2020by Timo Denk

Least Squares Derivation

The least squares optimization problem searches for a vector, that minimizes the euclidean norm in the following statement as much as possible: $$x_\text{opt}=\arg\min_x\frac{1}{2}\left\lVert Ax-y\right\rVert^2_2\,.$$This article explains how $x_\text{opt}=(A^\top A)^{-1}A^\top y$, the solution to the problem, can be derived and how […]

July 26, 2017December 9, 2017by Timo Denk

Find posts

About me

This blog is run by me, Timo Denk. I am an Applied Scientist with Zalando living in Berlin, Germany. Please visit my portfolio website for more detailed information.

Editor’s choice

If you just came here and do not know where to go, I recommend looking into these posts:

  • Digit Span Test (most viewed)
  • Cubic Spline Interpolation (math-heavy)
  • Commute Time Tracking (nice read)
  • Linear Relationships in the Transformer’s Positional Encoding (machine learning)
  • Corsairs3D (pirate game – arrr!)

Archive

The archive page of this blog lists all posts in chronological order.

Email Newsletter

There is an email newsletter available. Once signed up, you will receive an email every time a new post is published. That is usually about once or twice a month.

Tags

3D 3D printing Arduino Blender C C# C++ Computer Science Conference Convolutional network Deep learning DenkDevelopment Ender 3 Pro Functional programming Graph Hardware Haskell Historic History JavaScript Library Low-level Machine learning Math Matrix Microcontroller Miniature Modeling Music Neural network Node.js Paper Piano Poker Programming Python Raspberry Pi SAP Science Software Space Telegram Telegram bot Test Tools

Donate

I have decided to remove all ads from this page, because I just don't find it to be a nice way of making a few bucks a month.

If you enjoyed the content of my site, please consider donating a small amount of money through the link below.

Suggested values are $\sqrt{2}$, $\pi$, or the electron mass (without the $\times10^{-31}\text{kg}$), but you can also choose an arbitrary amount.

Navigation

Home · Contact · Legal
Proudly powered by WordPress | Theme: Sin by vsFish.

Cookies

This site uses cookies. More