Tag: Algorithms

All the articles with the tag "Algorithms".

• Quadtrees and Collision Detection

  Updated:10 Mar, 2025

  Designing a quadtree for spatial partitioning, range queries, and collision detection, with implementation tradeoffs in C++.

  • C++
  • GIS
  • Quadtrees
  • +2

• Poor pigs

  Updated:2 Mar, 2025

  Aren't we all just poor pigs? Touch too many sensitive words, and you might not survive either.

  • LeetCode
  • Information Theory
  • Algorithms

• Implementing Kriging Interpolation, Part 1: The Mathematics

  Updated:3 Jan, 2023

  The semivariogram, model fitting, covariance matrix, and weighted estimation behind ordinary kriging.

  • ArcGIS
  • C#
  • Kriging
  • +3

• Implementing Kriging Interpolation, Part 2: C# Implementation

  Updated:3 Jan, 2023

  Implementing kriging interpolation in C# with Math.NET, semivariogram fitting, and matrix operations.

  • C#
  • Kriging
  • Interpolation
  • +2

• Algorithm Notes by Problem Type

  Updated:3 Jan, 2023

  Study notes organized by categories of algorithmic problems.

  • LeetCode
  • Notes
  • Algorithms

• Algorithm Notes: Arrays

  Updated:3 Jan, 2023

  Patterns for array problems, including numeric operations, two pointers, traversal, and in-place transformations.

  • LeetCode
  • Two Pointers
  • Arrays
  • +1

• Algorithm Notes: Dynamic Programming

  Updated:3 Jan, 2023

  Recognizing dynamic-programming problems and deriving optimal subproblems, state transitions, and common solution patterns.

  • Dynamic Programming
  • Algorithms

• Algorithm Notes: Trees

  Updated:3 Jan, 2023

  Tree construction, traversal, search, binary search trees, tries, and common interview problem patterns.

  • Trees
  • Algorithms

• What Calculator Percent Keys Teach Us

  Updated:3 Jan, 2023

  Why pocket calculators interpret percentages unexpectedly, and how to model that behavior with the shunting-yard algorithm and RPN.

  • Bugs
  • Calculators
  • Shunting-yard Algorithm
  • +2