$P(A|B) = \frac{P(B|A)P(A)}{P(B)}$
$\vec{x} = [x_1, x_2, ..., x_n]^T$
$\nabla f(x) = [\frac{\partial f}{\partial x_1}, ..., \frac{\partial f}{\partial x_n}]$
$y = \sigma(w \cdot x + b)$
$H(X) = -\sum_{i} P(x_i) \log P(x_i)$
$f(x) = \frac{1}{1+e^{-x}}$
$\mathbf{X} \sim \mathcal{N}(\mu, \Sigma)$
$\hat{y} = \beta_0 + \beta_1 x_1 + \ldots + \beta_p x_p$
$E[X] = \int_{-\infty}^{\infty} x f(x) dx$
$\text{MSE} = \frac{1}{n} \sum_{i=1}^{n} (y_i - \hat{y}_i)^2$
$p(\theta | \mathcal{D}) \propto p(\mathcal{D} | \theta) p(\theta)$
$\min_\theta \mathcal{L}(\theta) = -\sum_{i=1}^{N} y_i \log(\hat{y}_i)$
$\text{KL}(P || Q) = \sum_x P(x) \log \frac{P(x)}{Q(x)}$
$\text{Var}(X) = E[(X - \mu)^2]$
$\nabla_\theta J(\theta) = E_{\pi_\theta}[\nabla_\theta \log \pi_\theta(a|s) \cdot Q(s,a)]$
$\phi(x) = \frac{1}{\sigma\sqrt{2\pi}} e^{-\frac{1}{2}\left(\frac{x-\mu}{\sigma}\right)^2}$
$\mathbf{W}^* = \arg\min_{\mathbf{W}} ||\mathbf{Y} - \mathbf{X}\mathbf{W}||_F^2$
$A_t = r_t + \gamma V(s_{t+1}) - V(s_t)$
$\mathcal{F} = -\text{tr}(\mathbf{p} \log \mathbf{p})$
$\text{ELBO} = E_{q}[\log p(x,z)] - E_{q}[\log q(z)]$
$\mathbf{H} = \nabla^2 f(\mathbf{x})$
$S = k \log W$
$\text{Cov}(X,Y) = E[(X-E[X])(Y-E[Y])]$
$\hat{\beta} = (X^TX)^{-1}X^Ty$

∇L(θ) → 0: Tomáš Kozák

Data Scientist & AI / ML Engineer

Bio

Tomáš Kozák
Tomáš Kozák

Shipping AI / ML software.

Stop fighting the thermodynamic will of the universe. You cannot stop the acceleration. You might as well embrace it.

Background

FIS VŠE

FIS VŠE

Master's in Data & Analytics for Business

Thesis: MLOPTIFLOW - Dynamic MLOps Framework with Integrated CLI for Automated ML Project Inception, Kafka-Driven Real-Time Model Monitoring, and Adaptive Canary Deployment Architectures

You can listen to the thesis podcast generated by NotebookLM:

Machine Learning Deep Learning Statistics Data Science MLOps
MIT IDSS SCC

MIT IDSS

MicroMaster's in Statistics & Data Science

MIT Institute for Data, Systems, and Society

Machine Learning Deep Learning Statistics Data Science Probability Theory
Stealth

Stealth

Founding Engineer

EduAI platform (currently in stealth mode)

Python PyTorch FastAPI Elasticsearch LangGraph TypeScript React Docker Azure
KD

knowdroids.ai

Senior AI / ML Engineer

Autonomous AI Agents development

Python PyTorch FastAPI Elasticsearch ChromaDB LangChain LangGraph MCP Docker Azure GCP
Sympulse

Sympulse

Senior Data Scientist & AI Engineer

Custom AI / ML applications development

Python PyTorch Scikit-Learn XGBoost FastAPI Elasticsearch LangChain LangGraph Docker SQL Server Azure
EY

EY

Data Scientist

Custom AI / ML applications development

Python PyTorch Scikit-Learn XGBoost Django Docker SQL Server Azure
Revolt BI

Revolt BI

Data Engineer

Custom data engineering & BI solutions development

Python Snowflake Keboola Tableau

Primary Stack

Python

PyTorch

PyTorch

PyTorch Lightning

PyTorch Lightning

Captum

Captum

TorchTune

TorchTune

FastAPI

FastAPI

LangGraph

LangGraph

Azure

Azure

Docker

Wanderlust

Exploring, one place at a time

Get in Touch

tomas.kozak.dev@gmail.com

Prague, Czech Republic

Feel free to reach out via email, LinkedIn, X, or schedule a meeting using the Calendly link below.