Skip to content

Blog Posts

Random thoughts ad infinitum, ad nauseam, ad mortem ...



WTF is a Tensor?

Trust me, we've all been there. If you do Math or Computer Science, chances are you've heard the word "tensor" thrown around a lot. But WTF is that even?

T(e1) T(e2) T(e3) σ11 σ21 σ31 σ12 σ22 σ32 σ13 σ23 σ33
1
2
3
4
5
6
7
8
Read more

Activation Functions

What are activation functions in neural networks, what kind of activations are there, when to use which, and why do they matter?

Read more

Why Neural Networks are not blackboxes

Contrary to popular belief, NNs are not magic. Under the hood, they are fully deterministic algorithms that can be explained step by step.

x₁ x₂ x₃ w₁,₁ w₂,₁ w₁,₂ w₂,₂ w₁,₃ w₂,₃ n₁ n₂ Activation Function Activation Function y₁ y₂ +b₁ +b₂
Read more

All about the Base

Weird Number Bases are weird. But also kinda cool. And kinda useless. But why stop at integer bases?

k=ndkbkdk{0,1,,b}
Read more

On DEVS and Determinism

My view on Epistemic Laplacian Determinism, and why the show Devs gets it wrong.

image/svg+xml S₀ 0 1 S₁ 1 0 S₂ 0 1
Read more

Color Math

Some cool math explained with colors. You have no idea how painful this was to wriite in MathJax...

(fg)(t)=deff(τ)g(tτ)dτ
Read more

Random math facts

Super useless math facts you probably didn't know or don't care to know. Because why not.

Random Math Fact:

Read more

What if Networks are Rings?

We can think differently about networks and subnets using modular arithmetic & ring theory. Should we? Probably not.

[2001:db8::](mod264)IPv6=Z/2128Z
Read more

© NullDev 2025