Cheat SheetSignalSystemsFourier Transform
Signals & Systems
Signals & Systems formulas
Notes
Technical notes, diagrams, and build writeups.
A mixed notebook for blog-style build logs, AI course notes, visual explanations, and compact cheat sheets.
BlogWhisperNLPDeployment
Building Self-Hosted Whisper Pipelines
Whisper becomes more useful when transcription is treated as one stage in a larger NLP system.
BlogComputer VisionVisual Odometry
Hybrid Visual Odometry: RAFT + ORB
A confidence selector can turn deep and classical visual odometry branches into a more robust research architecture.
BlogOptimizationNumPyPandas
Vectorization vs Python Loops in ML Pipelines
The fastest pipeline improvement is often moving repeated Python-level work into vectorized array operations.
BlogIntermittent DemandLightGBM
Two-Stage Modeling for Intermittent Demand
Separating sale occurrence from sale magnitude can make sparse forecasting systems easier to reason about.
BlogMetricsForecasting
Why WAPE Alone Can Be Misleading
WAPE is useful, but sparse demand and high zero ratios can hide important failure modes.
BlogForecastingValidationML Systems
Avoiding Data Leakage in Recursive Forecasting
A practical note on preserving temporal integrity when lagged features depend on previous predictions.