Unlike books describing the command system and the simplest demo examples, it contains a large number of mathematical problems of a research nature and ways to solve them in the MATLAB package. Accessible exposition of complex problems. This is one of the most recent foreign textbooks on the use of MATLAB in mathematical work, of which several dozen have already been published there due to the wide popularity of this software and mathematical package. MATLAB is also well known in Russia for its extremely high efficiency in programming and visualization of results.