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Category Archives: Blog
Permutation Problems
I love to play with puzzles. When I was in grade school I would spend hours at a time figuring out ways to solve from things like Tetris, Mindsweeper, Solitare, and Freecell. Later I was introduced to puzzles involving numbers … Continue reading
Posted in Blog, Examples
Tagged algorithm, algorithms, computer science, enumeration, games, javasctipt, list, math, next, permutation, previous, programming, random, script, search, sudoku
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My Review of “The Golden Ticket: P, NP, and the Search for the Impossible”
I came home from work on Wednesday a bit too tired to go for a run and a bit too energetic to sit and watch TV. So I decided to pace around my place while reading a good book. The … Continue reading
Posted in Blog
Tagged book review, complexity, economics, examples, fast, health care, lance fortnow, np, p, polynomial, the golden ticket, tractable
1 Comment
Approximating the Set Cover Problem
I just finished my weekly task of shopping for groceries. This can be a somewhat daunting task because I generally have a list of things that I’ll need which cannot all be purchased at a single location. What often happens … Continue reading
Posted in Blog, Examples
Tagged algorithm, algorithms, animation, approximation, computer science, greedy, integer programming, JavaScript, learning, linear programming, math, mathematics, operations research, probability, programming, randomized, research, rounding, script, search, set cover, set theory, sort
1 Comment
Knapsack Problems
I have added a script to help users understand the knapsack problem as well as some attempts at solving it. To help understand this problem, I want you to think about a common situation in many people’s lives. You have … Continue reading
Triangle Trigonometry
I haven’t forgotten about my pledge to focus more content here towards some of the areas I’ve been asked to tutor on recently. This latest one is designed to help users understand the properties of triangles. It is based on … Continue reading
Posted in Blog, Examples
Tagged angle, cos, cosine, JavaScript, law, law of cosines, law of sines, learn, learning, math, mathematics, programming, script, sin, sine, triangle
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The Risk of Competition
I’m not a competitive person. Let me correct that. I try not to be a competitive person. I’ve recently been playing some of my favorite games from childhood like Monopoly, Chess, Spades, and Madden and I’ve been reminded of the … Continue reading
Posted in Blog
Tagged advice, competition, cooperation, failure, learn, learning, math, risk, stem, success, winner
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Nonogram Puzzles
A friend introduced me to a type of puzzles called Nonograms and I enjoyed them so much that I wrote a script that automatically generates these puzzles. Nonograms are grid puzzles based on discovering the hidden pattern based on the … Continue reading
Geometric Sequences
I’ve added a script which helps to understand geometric sequences. Suppose you were to draw an equilateral triangle on a sheet of paper. It might look something like this: Now suppose that you draw lines connecting the midpoints of each … Continue reading
Posted in Blog, Examples
Tagged difference, first, geometric, geometric sequence, JavaScript, math, script, sequence, series, term
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Arithmetic Sequences
I’ve added a script which helps to understand arithmetic sequences. At a previous job of mine, there was a policy of holding a dinner party for the company each time we hired a new employee. At these dinners, each employee … Continue reading
Posted in Blog, Examples
Tagged arithmetic, common difference, data, difference, first, JavaScript, learning, list, math, mathematics, script, sequence, sum
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Learn to Solve Single Variable Linear Equations
In keeping with my new years resolution of making this site more accessible to my nieces and nephews, I’ve added a script that generates random single variable linear equations that ask the user to solve for x. The script also … Continue reading
Posted in Blog, Examples
Tagged algorithm, equation, JavaScript, learning, linear equations, math, mathematics, script, single variable linear equations, variable
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