The OpenCV library is one of the most relevant open source library for Computer Vision but it contains some very useful function for linear algebra and matrix manipulation. Here is shown how to use
cv::solve function to solve system of linear equation. As real example here is considered the case of parabola passes through 3 points.
Elementi di base sulla architettura di un sistema a microprocessore. Viene presentato lo schema generale, i registri ed le principali operazioni con i bit
Despite of Standard Deviation is one of most relevant parameter of descriptive statistics, it isn't available as common aggregation function for some SQL server. Here is described how to calculate and use standard deviation in a single select query. Finally a better and numerically stable sql procedure is shown.