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Monthly Archives: November 2012

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Principal Component Analysis

Posted on November 28, 2012 by Piggy
4

Nothing more to say about Principal Component Analysis, I tried to summarize in just one board. If you follow the numbers from 1) to 7) you should get a straightforward algorithm to implement PCA Have fun reducing your data to … Continue reading →

Posted in Board Of Piggy | Tagged covariance, eigenvalue, eigenvector, PCA, Principal Component Analysis | 4 Replies

(chances of) Pick&search

Posted on November 19, 2012 by Piggy
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Spoiler alert I actually found a missing that should multiply . But I didn’t want to repost everything again. … Continue reading →

Posted in Board Of Piggy | Tagged binomial coefficient, combinatorial, probability, problem | Leave a reply

Pick and Search

Posted on November 17, 2012 by Piggy
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I always found writing a thesis quite boring due to the lack of novelty, whatever the subject. But at the end of a tiring week I have been facing a simple combinatorial problem that I had to rethink as a game, … Continue reading →

Posted in Board Of Piggy | Tagged combinatorial, combinatorial problem, game, pick, probability, search | Leave a reply

“Go out and grab a girl” Math says

Posted on November 14, 2012 by Piggy
5

My mate, who goes clubbing sometimes, asked about the best strategy to hit on girls (engineers can be quite desperate). According to Marie Jose Omero and Michael Dzierzawa, those who try (and eventually get rejected several times) are more satisfied than those … Continue reading →

Posted in Board Of Piggy | Tagged couple formation, crumpet, measure, satisfaction | 5 Replies

Non-secure and doomed-to-love couples

Posted on November 8, 2012 by Piggy
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Sometimes, when I run out of cookies,  I open my favorite simulator and run some equations. This time I changed the response functions of secure individuals (those who love if they are loved) with a logistic-like function to indicate a … Continue reading →

Posted in Board Of Piggy | Tagged appeal, dynamics, logistic, love, non-secure, nullclines | Leave a reply

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