Geeks With Blogs
Paulo Reichert
This blog is supposed to be technical only, but as a life-long dream has come true and the festival of the century has been announced I couldn’t ignore. Sonisphere is great. I’ve been there this year and loved it. Metallica played a kick-ass concert. Next year, however, they’ve decided to raise the bar and got probably the most monstrous line-up I have ......

If you have read the code I have posted previously in Covariance Matrix Calculation in .NET, the method to transpose a matrix MxN was quite simple. It basically created a new double[,] to represent a NxM matrix and then copied the data from the first to the second matrix in the corresponding positions. That method is straightforward to implement and ......

I have been doing some research recently in estimation methods for time series and related data and have come across the K – nearest neighbours method that uses the distance between the variable we want to estimate and the other variables available and works out the K closest ones. Then it uses a weighted average of the values for the K nearest variables ......

05
Dec 09
Well... Hello. People that know me know that back in 2005-2006 when I used to work for a consultancy company I used to have a technical blog and it was useful not only to be in touch with other developers but also to post code that was useful to me even over and over. You can still find that old blog in http://consultingblogs.emc.... ......

UPDATE: Please note that this has got nothing to do with type covariance/contravariance new in .NET 4.0. This is one of the basics but a quick search on the web for code to do this didn't produce any results. The only thing I found was a paid library for matrix operations that although being very good, was a bit too expensive if all I needed was a covariance ......

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