Category Archives: Complex Systems

NASA aerosol visualization

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Posted in Complex Systems, Maritime Technology, Non Linear Dynamic Systems, Simulation | Tagged | Leave a comment

Wind,Temperature,Air Pressure statistics

The above graphs show statistics from SMHI, the swedish meteorological and hydrographical institute, on air pressure, temperature and wind speed.  For each categrory, (pressure,temp,wind speed) there are two graphs: the first a frequency chart, the second a Q-Q-chart, showing the … Continue reading

Posted in development, Non Linear Dynamic Systems, Probability, Python, Statistics | Tagged , , , , , , | Leave a comment

Improving Python performance by factor of 100

I’m doing a bit of Machine Learning on my spare time. A neural network that analyzes images. Anyways, since I don’t have zillions of computing power, any decent amount of learning data takes hours and days to process thru my … Continue reading

Posted in AI, Complex Systems, development, Machine Learning, Neural networks, performance, software | Tagged , , , , , , | 1 Comment

There’s a bug in my program: The enormous difference between < and <=

I’ve found a bug in my program! A bug, in my program…! And I’m a pro hacker, how shameful…! 🙂 Scary, isn’t it… a simple bug, a single character among the thousands of characters in my program… that single character … Continue reading

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Segregation – technical details

Just a few details to the more technically inclined readers of this blog: The image below has three sections: the leftmost showing the results in terms of where the agents prefer to be, the middle image showing a heatmap over … Continue reading

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Segration demo by computational agent simulation

For the fun of it, (and to learn more about Numpy’s multidimensional arrays) I decided to repeat Thomas Shelling’s famous experiment which demonstrates that segregation based on any real or imagined divider, such as gender, income, language,age, ethnicity, race, social status, … Continue reading

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Six Things We Learned About Our Changing Climate in 2013 | Science | Smithsonian

Six Things We Learned About Our Changing Climate in 2013 | Science | Smithsonian.

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Proof for intelligent design and creationism

As my frequent readers know, I’be been experimenting with neural networks (type of artificial intelligence) over the past couple of weeks. More specifically, I’ve been using neural networks for image recognition. Have a look at the previous couple posts on … Continue reading

Posted in Complex Systems, development, Math, Non Linear Dynamic Systems, Systems | Tagged , , , , , , , | 2 Comments

Feeling like God – understanding the design in detail, but not the outcomes: Neural Networks

(First of all, to clarify any potential for misunderstandings: I’m not religious, I do not believe in an almighty God – for that to happen, the teodice problem should have a clear and understandable solution, among other things…) Ok, back … Continue reading

Posted in Complex Systems, development, Math, Non Linear Dynamic Systems, software, Systems, Technology | Tagged , , , , , , , , , | Leave a comment

Neural networks and image recognition – hit rate for target detection

In my previous post, I described some experiments with neural networks and image recognition that I entertained myself with during xmas holidays.  Basically, I wanted to see if I could create a neural network process that, given tiny (10×10, that … Continue reading

Posted in Big Data, Complex Systems, development, Math, Non Linear Dynamic Systems | Tagged , , , , , , , , , | 2 Comments