Matrix Laboratory (MATLAB) is used extensively in this book for simulations. The goal here is to help students acquire familiarity with MATLAB and build basic skills in the MATLAB environment. Hence, Appendix A serves the following objectives:
Learn to use the help system to study basic MATLAB command and syntax
Learn array indexing
Learn basic plotting utilities
Learn to write script m-files
Learn to write functions in MATLAB.
MATLAB has an accessible help system by the help command. By issuing the MATLAB help command following the topic or function (routine), MATLAB will return the text information of the topic and show how to use the function. For example, by entering help on the MATLAB prompt to question a function sum(), we see the text information (listed partially here) to show how to use the MATLAB function sum( ).
help sumSUM Sum of the elements. For vectors, SUM(X) is the sum of the elements of X. For matrices, SUM (X) is a row vector with the sum over each column.
The following examples are given to demonstrate the usage:
x = [1 2 3 1.5 ?1.5 ?2]; %Initialize an array sum(x) %Call MATLAB function sumans =4 %Display the result x = [1 2 3; ?1.5 1.5 2.5; 4 5 6] %Initialize the 3 3 matrixx = ...
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