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mathowl
@mathowl
66
Doctor spec. curing math problems | SFR abuse fighter | SteemSTEM curator & honor member | Proud parent of three bots
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738
Following
512
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Location
Groningen
Website
https://twitter.com/MathOwl1
Created
2017-12-13 16:19
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mathowl
StemSocial
2024-04-07 08:56
Research diaries #21: Open-source generative AI for videos with Comfy
As AI is already outperforming many human tasks it can be disruptive for many communities. I think it would be hard to stop or significantly slow down its advancement. AI is definitely also creating new
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mathowl
OCD
2024-03-09 09:54
Espresso diaries #2: bug fixing the ROK
I think the Rok is a great espresso machine. There is something very satisfying about pressing down those arms and producing espresso. However it comes with many small problems that don't appear to have
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mathowl
OCD
2023-12-26 08:47
Espresso diaries #1: Manual shots
Lately I have been into espresso. It is an expensive hobby so I thought I would try to go budget & eco without cutting too much corners on quality. Parts of the espresso making process can be automized
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mathowl
StemSocial
2023-07-14 09:10
Research diaries #20: Builing another PC
Nowadays I have some projects that require a bit more computation power than usual. So I had the nice opportunity to build a stationary computation horse. My current mindset is that laptops are not really
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mathowl
StemSocial
2023-07-02 08:30
Research diaries #19: Unequal but not that unequal
A long while back I wrote a post about how unbiased randomness gives rise to extreme inequality. The underlying dynamics is that a few individuals have a lucky streak. This lucky streak results in an advantage
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mathowl
StemSocial
2023-04-21 06:08
Research diaries #18: About inflation returning to normal levels
In the last year we have experienced extreme rates of inflation as we have an upward pressure on energy and food and a decline in export as a result of Covid and the war in Ukraine. As this normalizes
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mathowl
StemSocial
2023-04-09 03:51
Research diaries #17: About sparseness of data and training neural nets
Typically a neural net is trained on large amounts of data. It will after training hopefully have good performance on this training set. Specifically, the tools for training a neural net are made in such
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mathowl
StemSocial
2023-03-21 13:03
Research diaries #16: Reservoir computing, an AI which does not live inside a computer
In this post we will look at a fancy AI called reservoir computing. We will just be looking at the general concept. In a future post I will show you an implementation of this fancy neural net. By now we
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mathowl
StemSocial
2023-03-11 14:29
Research diaries #15: Going down rabbit holes
In math everything you do has always to be consistent with the rules of logic. But the real goal of math is finding structure inside the logic. Usually finding problems with interesting patterns is not
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mathowl
StemSocial
2023-02-26 02:19
Research diaries #14: An optimization puzzle
Occasionally I do some algorithm puzzles. This is quite a fun one from Hackerrank with rubik like features. Today starting with the cat tax ^^ Suppose we have an array with integer entries. This array
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mathowl
StemSocial
2023-02-18 14:29
Research diaries #13: statistical DAGs
After the last adventure in statistics another exploration. Today we will be looking at DAGs. DAGs are a systematic way of finding the link between correlation and causation. Suppose we have a phenomenon
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mathowl
StemSocial
2023-02-11 11:59
Research diaries #12: Berkin's paradox and why the worst restaurants are in the most touristy spots
Lately I have been delving a bit into statistics. Today we will be looking at a famous paradox about why correlation does not have to imply causation. Source Pixabay license by Dimhou Let me sketch the
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mathowl
StemSocial
2023-02-06 09:36
Research diaries #11: rearranging sequences, weirdness at infinity
At infinity our ordinary intuitive understanding breaks down as the mathematical definition of infinity is very different from what we have in our mind. A good example of this concerns rearrangements of
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mathowl
StemSocial
2022-12-05 23:58
Research diaries #10: The real line, gaps in the rational numbers and the axiom of completeness
Historically mathematics did not start at the true fundamentals. The fundamentals were only completed around the 19th century. All of the work done before that was done with some intuitive understanding
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mathowl
StemSocial
2022-11-26 21:30
Research diaries #9: types of convergence
A sequence is a list of ordered points. As we progress through a sequence it could be that these points are approximating some point. For example, look at the graph below On the x-axis the position of
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mathowl
StemSocial
2022-11-15 15:23
Research diaries #8: Weakening differentiability
In high school we all learned about how to compute the derivative. Here we will look at what it means for a function to be differentiable and how to weaken it. A derivative of a function at a point gives
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mathowl
StemSocial
2022-11-07 19:09
Research diaries #7: Regular versus chaotic motion
Sometimes it is nice to identify when chaos does not occur.
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mathowl
StemSocial
2022-11-01 13:30
Research diaries #6: Parallel in python
Run your task quicker with a couple lines of extra code ^^
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mathowl
The Man Cave
2022-05-28 12:12
Inventory management made fun :D
This game is glorious fun. Best of all, the demo-mechanics feel pretty complete. It is still free to play.
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mathowl
LeoFinance
2022-05-03 09:35
Brofi is alive again ^^
I am very much chasing the facts as about a week after the announcement I realized that the Bro-project was revived. And of course another jump in the Bro price. Feeling a bit sour that everything was
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