For #ThisWeeksRiddler Classic by @xaqwg, I devised a strategy to tackle the #BlindLetterChallenge on #TikTok and achieved a winning rate rather close to the theoretical maximum. Details and Monte-Carlo simulations via @MATLAB here:
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For #ThisWeeksRiddler Classic from @xaqwg, I ran a life-sized city grid block simulation to validate against the theory: drone deliveries are only slightly faster than scooter, discounting traffic.🚗
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Short Riddler writeup this week, but as a basketball enthusiast I just can't resist!🏀 @xaqwg #ThisWeeksRiddler
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Ever since I stumbled upon the lovely #ThisWeeksRiddler column about two years ago, I just realized I solved 70 of them as of 2022. To celebrate, my Riddler write-ups now get their own landing page! Here's to more puzzle-solving in 2023! 🍾
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For #ThisWeeksRiddler Classic by @xaqwg, #SecretSanta draws are smoother without replacement. Monte-Carlo Simulations (1M) using @MATLAB.
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For #ThisWeeksRiddler Classic from @xaqwg, the Riddler Football Playoff champion matches well with that from the #CollegeFootballPlayoffs!
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For #ThisWeeksRiddler Classic about #FIFAWorldCup2022 from @xaqwg, we get a surprising result:
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A Monte-Carlo simulation written in @MATLAB ran for 10M trials yields reasonable slicing at 26.42% for #ThisWeeksRiddler Classic. @xaqwg
As #DaylightSavingTime ends, I am back on #ThisWeeksRiddler for a fun Express by @xaqwg about calendars:
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Missed out on Battle of Riddler Nation last week due to road trip, making up in #ThisWeeksRiddler Express for the post-mortem @xaqwg
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For #ThisWeeksRiddler Classic, I elected to use Monte-Carlo via #MATLAB with 1 Million simulations to find some interesting pill patterns. @xaqwg
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For the lovely #ThisWeeksRiddler Classic, being a better bowler really matters! @xaqwg
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On #ThisWeeksRiddler Express, there's always work! (Until the last day). @xaqwg
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"...the intention of the experiment was to measure the radius of Xiddler. While it is possible, we have seen that it is extremely sensitive to small variations in a large radius." #ThisWeeksRiddler Classic. @xaqwg #Astronomy
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On #ThisWeeksRiddler Classic, it turns out that we can accommodate all goats🐐or at least most of them fairly well. It would be much better if the goats preferred to be closer to the ground though. Monte-Carlo using #MATLAB 10M sims.@xaqwg @MATLAB
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It's all about the choices (via the choose function) when it comes to #ThisWeeksRiddler Classic from @xaqwg
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On #ThisWeeksRiddler Express from @xaqwg, a little modulo arithmetic fun around 11:
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For #ThisWeeksRiddler Classic by @xaqwg, it appears that the grasshopper is taking a random walk (hop)...🦗
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In #ThisWeeksRiddler Classic from @xaqwg, I simulated the nonconformist dice roll. Win percentage: 45%. Number of rolls seem to follow an exponential distribution with mean of 4 and mode of 1. A quarter of the time, one roll ends the game!
Mathematical precision is required to solve #ThisWeeksRiddler Express:@xaqwg
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I thoroughly enjoyed #ThisWeeksRiddler, both Express and Classic. Great puzzles from talented and creative young minds! Here is my attempt at the Classic:@xaqwg
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For #ThisWeeksRiddler classic, two solutions depending on whether the planet's cross-sectional spacing is integer or not. @xaqwg
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On #ThisWeeksRiddler Classic, parabolas in motion where the vertices fall under their conic cousin, the hyperbola. Animation created using #MATLAB
Here I show for parabolas passing through (1, -4) and (-2, 3).
@xaqwg @MathWorks
On #ThisWeeksRiddler Express I show the power of polynomials covering all the bases--no need to oscillate via sinusoids. @xaqwg
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For #ThisWeeksRiddler Classic, the lucky coin probability converges to a mysterious value. ❓🪙❓@xaqwg
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For #ThisWeeksRiddler Express, the hacker might want to consider more carefully where to place the bounds:@xaqwg
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For #ThisWeeksRiddler Classic, lots of tradeoffs as we play with light polarizers. 🔦 @xaqwg
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