This book is developed with an idea to enable the readers to be well versed with the basic MATLAB® functions and specialized toolboxes like Control System, Signal Processing and Image Processing used for problem solving in scientific and engineering domain. MATLAB functions are discussed in a lucid manner with their appropriateness for usage in computing solutions. The syntax to be followed for each of the defined MATLAB functions is also included in a detailed manner. The intention is to make the readers use the presented MATLAB functions directly for respective applications on their own.