Orthogonal Linear Transformation

Requirements In this post, I will describe several definitions of an orthogonal linear transformation, so I assume that the reader knows groups and linear algebra, it doesn't need to be advanced, therefore. Introduction In life, there're many places where symmetry is essential, and in mathematics a …

Parasites vs Creators

Be a creator

Average Wage don't exist

In this post, I will aboard the miss understood word average, this theme irritates me, every time somebody uses the average word, on any kind of topic. It makes me ponder about the mental sanity of the person, I will say it in one word, MOSTLY OF THE USE OF AVERAGE IS WRONG, it doesn't matter how be…

Your security is a shit

Password generators, 2FA... Introduction Hello, are you a beginner in programming, or already work with tech? do you use the same password for everything? do you save the password in a text file on your google drive? do you download cheats for your games? Do you receive the authentication code by SM…

Overview over linear algebra

In recent years, linear models have become quite famous. And have assumed very important roles in almost all the physical and social sciences, and as expected, this has stimulated the growth in the interest in linear algebra. The article that you're reading has the intent that even if you don't unde…

We're fool at the random

This post is the synthesis of, on one hand, the programmer undergraduate at mathematics who spent most of his life trying to resist being fooled by randomness and trick the emotions associated with uncertainty. I'm not capable of avoiding being the fool of randomness; what I can do is confine it to …