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  • Table of Contents 

    June 11, 2011, 09:22

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  • About Me 

    June 3, 2011, 15:06

    My name is Mateusz Kobos. I am a programming enthusiast. I currently work as a programmer at Interdisciplinary Centre for Mathematical and Computational…


Blog Posts

  • Category: Java  (2)
    • Java wrapper for the Fortran L-BFGS-B algorithm 

      October 12, 2011, 17:39

      I have moved the source of my L-BFGS-B wrapper library from my university page to a more convenient hosting place: https://github.com/mkobos/lbfgsb_wrapper…

    • Java PCA transformation library 

      October 6, 2011, 14:59

      I wrote a Java library implementing Principal Component Analysis data transformation. About two years ago I needed such an algorithm implemented in Java and I…

  • Category: Python  (2)
    • Concurrent tree crawler 

      September 26, 2011, 23:53

      I needed an application to crawl a web site containing archive issues of certain magazines and download selected articles. To access the site, you had to log…

    • Reader-Writer lock with priority for writers in Python 

      July 23, 2011, 13:23

      I needed a reader-writer lock to use in the second readers-writers problem with python threads. In this problem, many readers can simultaneously access a…

  • Category: R  (2)
    • Creating data frame row-by-row in R 

      September 30, 2011, 10:12

      When manipulating data in R, I often find myself in a situation where I have to create a new data frame in an iterative row-by-row way. There are approaches to…

    • Comparison of application of Rcpp and rJava in R 

      June 11, 2011, 23:23

      Introduction I implemented a simple algorithm that computes distances between all pairs of given set of n-dimensional points. The algorithm is implemented…

  • Category: Uncategorized  (1)
    • First entry 

      June 11, 2011, 12:20

      Welcome to my blog. I plan to place here some programming-related things that were useful to me and hopefully will also be of use to a wider audience.

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