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MinimalTicTacToe

Derivation of a minimal size tree for playing perfect tic tac toe

Correct alpha and gamma for image processing

This is a note on the correct usage of alpha blending, pre-multiplied alpha, gamma correction, and linear colors for image processing.

IOS PNG Errors

XCode corrupts PNG images for iOS builds. This post details the error.

Problems using SSIM for image quality comparisons

Variation among SSIM implementations make comparing results a mess. This version matches the output of the original, unlike most of those in common use as of 2023.

Accurate color conversions

This is a quick note for converting byte values colors in 0-255 back and forth to floating-point colors in 0-1 which avoids common errors.

Button debouncing and pattern matching

A robust, portable, extensible method for handling button presses when interfacing software and hardware.

A better quadratic formula algorithm

A robust algorithm for computing roots of quadratic equations, much better than common code.

Lomont floating point notes

Notes on floating point issues, including lists of facts and theorems useful for algorithm development.

Rtk Gps Project

I built a RTK-GPS gadget and wrote enough software to do basic GNS tasks such as finding distances, decoding GPS NMEA and RTCM messages, finding intersections, and doing boundary detection.

Chris Lomont's lines of code over time

Over decades I’ve written a lot of personal code. I made a bar chart race showing how many lines I’ve written in different languages over time.

Excel2007Bug

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EvilNumbers

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Chris Lomont's Geometric Algebra page

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Chris Lomont's Finite Fields page

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FourFours.nb

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Chris Lomont's Superballs Page

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Chris Lomont's LED Cube Page Videos

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Chris Lomont's LED Cube Page Part 4

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Chris Lomont's LED Cube Page Part 3

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Chris Lomont's LED Cube Page Part 2

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Chris Lomont's LED Cube Page Part 1

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Chris Lomont's LED Cube Page

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Chris Lomont's PhotoMosaic Page

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MiniCompress

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G15Info

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StockTrader

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Chris Lomont's SimpleWinApp Page

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Chris Lomont's Robotron 2084 Page

A page for Robotron 2084 hacking

HPCalc

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Chris Lomont's AES Page

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MoneySaver

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MetaBalls

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KnotSaver

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Knots

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Chris Lomont's MP3 Tag Editor

<h3>MP3 Tag editor! </h3> <p>Here are some features and screenshots of my beta Tag Editor. <a href="/contact/">Let me know</a> what you think! This requires .NET 1.1 or higher. Click <a href="tedit.exe">here to download</a> it! (908K) </p>

Chris Lomont&#39;s Sudoku Page

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Chris Lommont&#39;s PacMan Page

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Chris Lomont&#39;s Cross Sums page

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Chris Lomont&#39;s Lemmings Page

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Chris Lomont&#39;s Riddle Pages

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Chris Lomont&#39;s Riddle Pages

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Chris Lomont&#39;s Quantum Computing Seminar page

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Chris Lomont&#39;s 51 Piece Burr Puzzle Solution

A solution to a nice 51 piece burr.

Chris Lomont&#39;s Puzzle Pics

Here&rsquo;s a few of my puzzles Ball1 Ball2 Burr1 Burr2 Burr3 Burr4 Burr5 Burr6 Burr7 Burr8 Cube2 Cube3 m Cube3 r1 Cube3 r2 Cube3 r3 Cube3 s Cube4 Cube5 Dodeca1 Homerhead1 Pyramid1 Pyramid2 Pyramid t Skewb Slide1 Soccer Square1 Square1 2 Star1

Chris Lomont&#39;s Laser Cut Torus Page

A laser cut torus

Chris Lomont&#39;s Seaham Project Page

An art installation in the UK

Chris Lomont&#39;s Laser Cut Truncated Icosidodecahedron Page

A lser cut polyhedron

Chris Lomont&#39;s Lego Walker Page

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Chris Lomont&#39;s Real3D Plugin Page

Chris Lomont&#39;s Lego Clock page

A Lego clock