VectorWorks Academy·Nov 5A Practical Introduction to Optimization Solvers for BusinessMany important business problems have the same underlying structure.
VectorWorks Academy·Oct 19Why SGD Looks Like a Random Walk: Batch Size, Sparsity, and the Noise Behind Deep LearningOne of the most useful ways to understand stochastic gradient descent is to start somewhere completely outside deep learning: a simple…
VectorWorks Academy·Jul 31Inverse Propensity Scoring (IPS), Self-Normalized IPS (SNIPS), and Doubly Robust (DR) Estimation in…One of the biggest challenges in advertising and recommendation systems is that we only observe the outcomes of actions that were actually…
VectorWorks Academy·Jul 31Hot MLE interview Question Deep Dive: L1 vs L2 Regularization: Why They Behave So DifferentlyOne of the most common interview questions in machine learning is:
VectorWorks Academy·Jul 26Focal Loss Explained: When It Helps, When It Hurts, and How to Think About It in Production MLOne of the first challenges engineers encounter when training large-scale machine learning models is class imbalance. Suppose you’re…A response icon1A response icon1
VectorWorks Academy·Jul 26Hard Negative Sampling, Calibration, and Offline Evaluation: Avoiding Hidden Pitfalls in…One of the biggest transitions from building ML models in academia to deploying them in large-scale advertising systems is realizing that…
VectorWorks Academy·Jul 23The AUC–FLOPs Trade-off: Balancing Prediction Quality and Inference Efficiency in Production…Before diving into deep learning architectures or feature engineering, every machine learning practitioner eventually encounters the same…
VectorWorks Academy·Jul 18LeetCode 1723: Find Minimum Time to Finish All Jobs — How Senior and Staff Engineers Decompose Hard…One of the biggest misconceptions about coding interviews is that they’re about writing code.
VectorWorks Academy·Jul 7Value Maximizers vs. Quasi-Linear Utility Maximizers: A Gentle Guide for Ad AuctionsMost auction theory starts with a simple assumption: bidders want to maximize profit.
VectorWorks Academy·Jul 6The Price of Anarchy: Why Rational Bidders Can Make Ad Markets InefficientOnline advertising looks like a machine for finding the highest-value match.
