Articles — Yaoyao (Freax) Qian

Technical writing by Yaoyao Qian.

Mastering CartPole with Enhanced Deep Q-Networks

In-depth tutorial on applying equivariant inductive biases to the classic CartPole benchmark with code walk-throughs.

Tags: Reinforcement Learning, Equivariance, Tutorial.

[Note] Group Equivariant Deep Learning

Study notes covering group equivariant neural networks, representation theory intuition, and practical pointers.

Tags: Equivariance, Notes.

Lending Club Data Analysis Practical Project · Part 1

Part 1 of the Lending Club credit risk project, focusing on exploratory analysis and baseline modelling.

Tags: Data Analysis, Case Study.

Lending Club Data Analysis Practical Project · Part 2

Part 2 continues with feature engineering, evaluation, and lessons learned from the Lending Club pipeline.

Tags: Data Analysis, Case Study.

Introduction to CUDA Optimization with Practical Examples

Guided tour through CUDA optimisation techniques including memory, kernels, and profiling best practices.

Tags: CUDA, Optimization, Tutorial.

RAG Tutorial: Start from Athena's Oracle

Step-by-step introduction to retrieval-augmented generation systems with tooling recommendations.

Tags: RAG, NLP, Tutorial.

Running Grounded-SAM-2, GroundingDINO, and PointNet++ on RTX 5090 — Setup Notes and Pitfalls

Practical setup notes for running Grounded-SAM-2, GroundingDINO, and PointNet++ on RTX 5090, including versions, configs, and traps to avoid.

Tags: Robotics, Vision, Setup Notes.

Common Bugs You May Encounter While Installing Cliport

A collection of frequent installation issues with Cliport and how to resolve them across environments.

Tags: Robotics, CLIPrt, Troubleshooting.