Agent engineering
How does a model become a controlled tool-using system?
How does a model become a controlled tool-using system?
How do these systems fit coding and learning?
A map for analyzing algorithms, recognizing design patterns, and choosing an appropriate problem-solving family.
Choose a reading path for using AI, understanding models, or building local systems across eight connected topics.
Depth-first search over decisions with reversible state and sound pruning.
A map from limits and derivatives through integration, gradients, optimization, automatic differentiation, and symbolic computation.
A map from limits and derivatives to integration, gradients, and optimization.
A compact map of the durable ideas that sit underneath programming languages, frameworks, and AI systems.
Choose a starting point for algorithm costs, data structures, Python programming, and testing.
What makes a result trustworthy for its intended use?
A representation-first map for choosing containers by operations, invariants, and memory behavior.
A state-first method for problems with reusable subproblem structure.
A problem-first map for traversal, shortest paths, and minimum spanning trees.
Local-choice algorithms organized around proof obligations and counterexamples.
Question-led paths into algorithms, data structures, calculus, and model evaluation.
Will it fit, and how fast will it run?
What changes during training, and why does it generalize?
Mathematical foundations for reasoning, modeling, computer science, and machine learning.
Notes on design, typography, music, and other interests and research.
Which model and interface fit the task?
How do architectures represent inputs and produce outputs?
Find conceptual starting points, practical guides, lookup references, writing, and experiments.
A foundation map for approximation, error, stability, and reliable computation with finite precision.
A task-oriented map for tabular data work with pandas.
A compact map of the maintained language notes on this site and how to choose what to learn next.
A compact learning map for Python's object model, control flow, functions, collections, files, and classes.
Financial markets, mathematical modeling, and quantitative experiments.
Direct links to command references, derivative formulas, and computing and machine-learning definitions.
Research notes on financial markets, quantitative models, and macroeconomic scenarios.
Which evidence should reach the model, and what should persist?
A decision map for lookup, ordered search, and graph traversal.
Choose among nine browser experiments on trajectories, light, and patterns, then explore their models and implementation.
A decision map for comparison sorting, stability, adaptiveness, and memory trade-offs.
A map from executable examples and unit tests to integration, system, and operational confidence.
Practical guides for project setup, document search, terminal work, servers, and media tasks.