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Solving Unblock me: Recognizing board configuration in a screenshot using Mathematica
Unblock me is a puzzle game in iphone. It's originated from rush hour. I am interested in solving the board game using computer. I can enter the board configuration into the computer one by one, but I would like to do it automatically. With image processing capatibability in Mathematica, the process can be done rather easily by taking screenshot.
An open source project with basic packages in MathOO
A package is released as open source project in GoogleCode/MathOO-packages. The aim of the project is to provide basic utilities and basic classes using MathOO, so that you can use it in an object oriented way. In the initial release, 1.0b, a dictionary class (associated array) is provided.
Documentation of dict: A Mathematica Dictionary(Associative Array) using MathOO
This document is a documentation of the dict class in MathOO-packages. Basically it behaviors very similarly to Python dict.
Documentation of MathOO
It is a documentation of MathOO, listing most of its functions and usage.
Impact:
Fixing Cygwin/X error in Portable Ubuntu Remix TRES
Portable Ubuntu Remix is a linux distro working on Windows using Colinux. For the latest version Portable Ubuntu Remix TRES, the Cygwin/X cannot be started due to some errors. And this how-to provides a solution to the software bug.
How to sum sin(n q) and cos(n q)?
This is a short how to about how to sum sin(n q) and cos(n q).
A simple proof of NP != P ?
It is well known that relativization cannot be used to prove or disprove NP not equal to P. This paper question this belief by giving a very simple prove of NP not equal to P using relativization.