Short IT recipes

The coefficient of variation is a dimensionless number that allows comparison of the variation of populations that have significantly differ...

If one use to calculate t-critical and P-values using t statistis, those functins in Matlab/Octave do it: t_critical= tinv(1-alpha/2,n-2);...

Latex is great tool for writing scientific texts. You just write and do not worry about sorting references, formatting them, changing numera...

Finally, after more than one year of waiting for Matlab with support of Intel Macs there it is - Matlab 2007a (7.4.0.287). It supports also...

Unfortunately, Matlab does not have hash table functionality by itself. However, Matlab is based on Java, and provides programing interface ...

This error I had in Matlab. In fact it is only warning, but when you save image using e.g. print function your figure is just black. I had ...

Those terms are commonly used in image processing e.g. comparing reproductivity of given segmentation method. Their meaning is as fallow: In...

Recently I was working with huge, really huge 3D matrixes in Matlab for example take matrix A=ones(64,64,50100) . It is huge matrix of...

Power spectrum algorithm, based on J. Russ book [1] divided 2D power spectrum of an imput image into 'slices' which represent direc...

The below scripts reads Excel file. Than the python program pairs variables, that will be compared using paired t-test. GET DATA /TYPE=XLS...