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Archives - January 2016


OpenCV3 + Python + Mac

OpenCV is an open-source library for computer vision that we have found useful in bringing many applications to production settings.  It is written in C++, but now also supports Python bindings, which can make rapid prototyping easier. Below we summarize our procedure for installing OpenCV3 on Mac OS X, with Python bindings and virtual environment support. The information …


[wu::riddles] Geometric In Arithmetic

Today we share our analysis of the following problem, which kindly comes to us from Colombian engineer Ariel Nunez, a former Iberoamericano Math Olympiad Bronze medalist! Problem: Given a real arithmetic progression , some terms are deleted to produce a geometric sequence with ratio . Find all possible values of . Our Solution: Define for and . …