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A few days ago, one of my colleagues asked what a selforganizing map (SOM) is. SOMs are a bit tricky to explain because there are many variations. The simplest possible type of SOM is illustrated by the diagram below. Suppose … Continue reading
In a recent blog post, I described an algorithm that involved 10 rooms in a sultan’s harem. A mathematician had to visit each room. I wondered how many moves would be required, on average, for the mathematician to visit all … Continue reading
One of the ways I keep up with the blazing pace of new developments in technology is by doing technical reviews of journal articles (such as those in Microsoft MSDN Magazine) and technical books (such as the series of free … Continue reading
Among my colleagues, the three most commonly used neural network libraries are TensorFlow (by itself and with Keras), CNTK, and PyTorch. I’m very familiar with Keras/TF and CNTK, but not so familiar with PyTorch. So, this morning I went to … Continue reading
Here’s an old problem. A mathematician is in a harem with 10 rooms. Each room has a different number of girls in it. The mathematician is blindfolded but has a magic parrot that knows probability. The mathematician needs to estimate … Continue reading
It seems like there are some miniproblems that I do over and over. Displaying an MNIST digit is one such miniproblem. I’m in the process of writing an article for Visual Studio Magazine ( https://visualstudiomagazine.com/Home.aspx ) and the topic is … Continue reading
I enjoy science fiction movies that are set in an isolated environment, such as an Arctic outpost, because the confined location forces writers and directors and actors to be creative. Here are my favorite science fiction films that take place … Continue reading