MATLAB can be thought of as a library of programs that will prove very useful in solving many electrical engineering computational problems. Computer engineers may have noticed that MATLAB automatically adjusts the scale on a graph to accommodate the coordinates of the points being plotted. MATLAB is an ideal tool for numerically assisting engineers in obtaining answers, which is a major goal of engineering analysis and design. MATLAB supports two types of M-files: script and function M-files. The MATLAB for loop allows a statement or a group of statements to be repeated a prescribed number of times. MATLAB has six relational operations that compare the elements of two arrays of the same length. A good MATLAB program will always minimize the use of loops because MATLAB is an interpreted language. MATLAB can display polar plots. This plot is of particular interest when, inter alia, studying the radiation pattern from antennas.