PinnedPatrick MartinA Moon Mission Without CalculusThere’s more to math than calculus — let’s use material from pre-calculus to plan a Moon mission!18 min read·Aug 21, 2021--1--1
PinnedPatrick MartinPokeML: Understanding Principal Component Analysis through Pokemon DataNow that we have our Pokemon matrix from the last chapter, we can start doing some basic statistics on it. You can follow along by…7 min read·Jul 12, 2021----
PinnedPatrick MartinPokeML — An Introduction to Data Science… using Pokemon!The world of data science involves organizing, processing, and interpreting large amounts of data, searching for trends, patterns, or…6 min read·Jul 12, 2021----
Patrick MartinWe Can Do Better Than Transit Signal PriorityBus Rapid Transit (BRT) has received increased attention in recent years as a relatively cheap way to improve transit quality, especially…4 min read·Jan 5, 2024----
Patrick MartinWhy is New Mexico’s Rail Runner So Slow?New Mexico’s commuter rail has a top speed of 80 mph but takes longer to travel between ABQ and Santa Fe than driving. Let’s find out why!7 min read·Jan 20, 2023----
Patrick MartinZero Fare Public Transportation is GreatHaving a free line or subsystem of public transport isn’t a new idea. Baltimore’s Charm City Circulator has provided free service on four…5 min read·Oct 18, 2022----
Patrick MartinWhy Can’t Amtrak Just Go Faster?Amtrak, particularly outside the northeast corridor, has a reputation for being slow and unreliable. I’ve previously written about the main…7 min read·Aug 22, 2022--5--5
Patrick MartinThe Universal Approximation Theorem is TerrifyingNeural networks are one of the greatest innovations in modern machine learning, with demonstrated abilities to produce mind-boggling…6 min read·Aug 7, 2022--11--11
Patrick MartinE-Bicycle Trips Are Surprisingly Fast — Top Speed Isn’t EverythingA common criticism of bike commuting is that it is “too slow”. E-bikes fix this, but the perception remains. Let’s do the math.6 min read·Aug 6, 2022----
Patrick MartinDivision by Zero is Not Illegal, Just UndefinedIt’s a common refrain from grade school: you can’t divide by zero! Well, they also said we can’t subtract big numbers from small ones…5 min read·Jul 22, 2022----
