Mountain View

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In honor of the 20th of February, 2002, a palindromic date, Peter Norvig designed his worlds longest unique palindromic sentence of 21,012 words. With a new palindromic date approaching on August 10, 2018 (8102018), I wanted to take some time to see if I could put my own spin on a palindrome world record. While Norvig focused on making his…

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Two weeks ago I stumbled upon the concept of prime portraits. In short, prime portraits are pictures in which each color is assigned a number. When we align every pixel, the result should be a prime number. Because I could not find the code used in the article, I decided to recreate these prime portraits in Python – in color!…

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This weekend we got the second place in the Hack the Road Hackathon with our idea to let connected vehicles lead other vehicles through a “green wave”. As there will be a long period in which smart vehicles and “dumb” vehicles drive through the same streets, building this system would reduce a lot of traffic problems in the city without…

(570) 637-0096

A few weeks ago I gave an introductory course to reinforcement learning with the OpenAI Gym environment. As content, I used the writeups I already put on my site several weeks ago. I asked Jasper van der Waa (TNO), who co-organized it, to write a short summary of the summer school. For some years now it is quite clear that…

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Last week I discovered that there are bats behind my appartment. I immediately grabbed my “bat detector”: a device that converts the ultrasound signals bats use to echolocate from an inaudible frequency range to an audible one. The name “bat detector” thus is a lie: you can use it to detect bats, but it does not detect bats itself. In…

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 In part 1 we got to know the openAI Gym environment, and in part 2 we explored deep q-networks. We implemented a simple network that, if everything went well, was able to solve the Cartpole environment. Atari games are more fun than the CartPole environment, but are also harder to solve. This session is dedicated to playing Atari with deep…

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In part 1 we used a random search algorithm to “solve” the cartpole environment. This time we are going to take things to the next level and implement a deep q-network.The OpenAI gym environment is one of the most fun ways to learn more about machine learning. Especially reinforcement learning and neural networks can be applied perfectly to the benchmark…

Getting started with OpenAI gym

The OpenAI gym environment is one of the most fun ways to learn more about machine learning. Especially reinforcement learning and neural networks can be applied perfectly to the benchmark and Atari games collection that is included. Every environment has multiple featured solutions, and often you can find a writeup on how to achieve the same score. By looking at…

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The Zalando python client Shopping is probably in the top-5 of things I hate. Walking from store to store, having to wade through endless clothes you are NOT interested in – it’s a really inefficient experience. Luckily I found Zalando a few years ago: you order your clothes online with free shipping and free returns. The only thing that could…