Progress report for week 37

In week 37 I’ve been working on the report and I’ve written about the architecture design and about exact cover problems and a bit about how the Dancing Links algorithm works. I’ve been looking into some of the other Dancing Links implementations which are released as open source and tried to see how they solved the problems. Most of the implementations were made for one specific purpose (solve sudoku, n-queens and polyomino problems). This is different from my implementation which will be a generic solver, but with direct support for some of the specific problems.

The file format which the problem matrices will be stored in has been sketched out, but I need to investigate what features the Grid middleware has for dealing with file transfer and reading. My main canditate is BOINC, but I’ll be checking out other possible options soon.

I’ve been a bit busy with another report so I’ve not been able to fully implement one of the problem transform like I had planned. Other than that everything is going according to the plan. I’ll make an extra effort to neutralize the slippage the following weeks.

NOTE: This post has been imported from my old it’s learning ePortfolio DECS blog.

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