Zeb
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zebm.bsky.social
Zeb
@zebm.bsky.social
24 followers 19 following 310 posts
Mathematical software developer. Resident of the formerly civilised UK.
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zebm.bsky.social
Three instances of the same Mathematical model. Tag, cards, NetLogo
#EduSky #MathSky #EpiSky stochanswers.com/company/abst...
Mathematics is merely abstraction
Three models that are the same
stochanswers.com
November 7, 2025 at 1:12 PM
zebm.bsky.social
A DNS of turbulence model that nearly works and runs on a laptop. #CFD #MathSky
stochanswers.com/studies/deca...
Discrete isotropic turbulence
decay of
stochanswers.com
September 24, 2025 at 3:39 PM
zebm.bsky.social
A teachers guide to the modelling of epidemics
#MathSky #StatsSky #EpiSky #EduSky

github.com/stochanswers...
github.com
September 21, 2025 at 8:20 PM
zebm.bsky.social
You can run in your browser a #NetLogo implementation of the SI variant of my discrete stochastic epidemic model.

#MathSky #EpiSky #EduSky #StatsSky

stochanswers.com/downloads/ep...
Minimal SIS model
in NetLogo
stochanswers.com
September 3, 2025 at 10:00 AM
zebm.bsky.social
An implementation of the SI variant of my discrete stochastic epidemic model in the free #NetLogo environment.

#MathSky #EduSky #EpiSky #StatsSky

stochanswers.com/downloads/ep...
Minimal SI model
in NetLogo
stochanswers.com
August 31, 2025 at 1:51 PM
zebm.bsky.social
An implementation of my epidemic model in the free #NetLogo environment.

#MathSky #EduSky #EpiSky

stochanswers.com/downloads/ep...
Minimal SIR model
in NetLogo
stochanswers.com
August 27, 2025 at 12:54 PM
zebm.bsky.social
Are insurance premiums log-normal, Pareto, Gamma or Weibull distributed?

Or maybe affine so that what looks like a log-normal has power law tails.

stochanswers.com/studies/insu...

#StatsSky #MathSky
Affine growth of insurance premiums
stochanswers.com
June 16, 2025 at 6:51 PM
zebm.bsky.social
Economists use Gibrat (log-normal) for wealth except at the right tail when they say Pareto. An obvious fudge. Affine returns has power-law tails and can look like a log-normal.

stochanswers.com/studies/weal...

#StatsSky #EconSky #MathSky
Affine growth of wealth
Not two tier
stochanswers.com
June 15, 2025 at 5:06 PM
zebm.bsky.social
Wave heights are commonly modelled using the Rayleigh, Weibull, Generalized Gamma and log-normal distributions. Why not the distribution resulting from an affine process?

#StatsSky

stochanswers.com/studies/wave...
Affine growth of wave heights
Surfs up
stochanswers.com
June 14, 2025 at 1:57 PM
zebm.bsky.social
Hurricane strength is commonly modelled using a Weibull or a log-normal distribution. Why not the distribution resulting from an affine process?

#statssky

stochanswers.com/studies/hurr...
Affine growth of hurricane speeds
From 1 to 5
stochanswers.com
June 13, 2025 at 8:14 PM
zebm.bsky.social
River heights are usually fitted by the log-normal, Gamma, Generalized Extreme Value, Weibull and Pareto distributions. So why not just use a different one which has fat tails?

#statssky #hydrology
stochanswers.com/studies/rive...
Affine growth of river heights
From trickle to flood
stochanswers.com
June 12, 2025 at 4:14 PM
zebm.bsky.social
NBA player height isn't normal
#Stats #StatsEd

stochanswers.com/studies/heig...
Affine growth of NBA players
And other adults
stochanswers.com
June 5, 2025 at 7:15 PM
zebm.bsky.social
In the 1998 crash GBM was seen not to be sufficient. My model uses affine returns to get a better fit. This results in a combination of GBM and another motion - a mixture distribution of the log-normal plus another.
stochanswers.com/studies/fina...
#MathSky #StatSky #finance
Stock growth
Not exponential
stochanswers.com
May 19, 2025 at 7:54 PM
zebm.bsky.social
In the 1998 crash GBM was seen not to be sufficient. My model uses affine returns to get a better fit. This results in a combination of GBM and another motion - a mixture distribution of the log-normal plus another.
stochanswers.com/studies/fina...
Stock growth
Not exponential
stochanswers.com
May 19, 2025 at 7:53 PM
zebm.bsky.social
In the 1998 crash GBM was seen not to be sufficient. My model uses affine returns to get a better fit. This results in a combination of GBM and another motion - a mixture distribution of the log-normal plus another.
stochanswers.com/studies/fina...
Stock growth
Not exponential
stochanswers.com
May 19, 2025 at 7:52 PM
zebm.bsky.social
Know someone suffering from #anxiety because they falsely believe that epidemics grow exponentially? Then each them a card game that simulates an epidemic

#mentalillness #psychsky #psychology

stochanswers.com/education/ep...
Epidemic
The card game
stochanswers.com
April 15, 2025 at 3:48 PM
zebm.bsky.social
#stats #epidemiology #MathSky #EduSky

Maths in the playground
stochanswers.com/education/ta...
Epidemiological tag
Maths in the playground
stochanswers.com
April 11, 2025 at 11:24 AM
zebm.bsky.social
#MedSky why don't you relax this weekend and forget about epidemics growing exponentially by playing a card game (with logistic growth)?
stochanswers.com/education/ep...
Epidemic
The card game
stochanswers.com
November 22, 2024 at 9:00 PM
zebm.bsky.social
For anyone interested in teaching discrete stochastic processes I have a card game #MTBoS #iteachmath
stochanswers.com/education/ep...
Epidemic
The card game
stochanswers.com
November 14, 2024 at 3:44 PM
zebm.bsky.social
Has anyone seen this equation before? #mathsky #statssky
October 6, 2024 at 10:40 AM
zebm.bsky.social
A video on epidemiological modelling aimed at ages 16+.
#EduSky #StatsSky #MathSky
www.youtube.com/watch?v=TrlG...
Epidemiological modelling for Maths students
YouTube video by Zeb Mason
www.youtube.com
September 30, 2024 at 7:11 PM
zebm.bsky.social
A sixth game from a stochastic process
#MathSky #StatsSky #EduSky
stochanswers.com/education/ch...
Chinese restaurant
The card game
stochanswers.com
September 27, 2024 at 8:18 PM
zebm.bsky.social
A fifth game from a stochastic process
#mathsky #statssky
stochanswers.com/education/ri...
Get rich
The card game
stochanswers.com
September 26, 2024 at 11:18 AM
zebm.bsky.social
I could only find one book about Kolmogorov-Arnold networks on Amazon, it's getting returned. I enclose the entirety of Appendix A, I assume neither Maths nor accuracy were the authors strong points.
#statsky #mathsky
September 25, 2024 at 6:30 PM
zebm.bsky.social
#StatsSky #MathSky #EduSky
Actual exponential growth and not the "strong growth" that compound interest doesn't give me on my savings account.
stochanswers.com/education/gr...
Exponential growth
The coin game
stochanswers.com
September 19, 2024 at 11:01 PM