We could type in this expression every time we need it, but that would be annoying. Let's say we need this functionality repeatedly. Multiplng by 9, stretched the range to go from 0 to 9, and adding 1 shifts the range to go from 1 to 10. And here's some numbers between one and ten. And you can see these numbers are all between zero and one, but what if we needed random numbers between one and ten instead? That's easy enough. You can see the first argument gave us the three, and the second one, the four: the height and the width of the matrix that's returned. It creates a three by four matrix of random numbers between zero and one. Here's an example of how we might call it. The numbers are uniformly distributed, and that means that any number in that range is equally likely to be chosen. The built-in function named rand creates random numbers between zero and one. But what if we need a function that's not provided by MATLAB? Guess what? We can write our own functions, and we can use them just as if they were built into MATLAB. And there's hundreds more functions that we could call. For example, to plot lines in a figure, to calculate the square root, to calculate the sine, and to do other things. You'll remember that we've called a few of MATLAB's built-in functions. So far, what we've learned is how to perform individual operations with MATLAB, and we've used MATLAB as a glorified calculator. More information about these resources can be found on the Resources menu on the right. The students are encouraged to consult the eBook that this course is based on. Students taking the course will get a MATLAB Online license free of charge for the duration of the course. Students who successfully complete this course will become familiar with general concepts in computer science, gain an understanding of the general concepts of programming, and obtain a solid foundation in the use of MATLAB. It is an introductory programming course that uses MATLAB to illustrate general concepts in computer science and programming. Nevertheless, this course is not a MATLAB tutorial. Hence, a solid background in MATLAB is an indispensable skill in today’s job market. As a result, MATLAB is being used in a wide variety of domains from the natural sciences, through all disciplines of engineering, to finance, and beyond, and it is heavily used in industry. The problems may be relatively complex, while the MATLAB programs that solve them are relatively simple: relative, that is, to the equivalent program written in a general-purpose language, such as C++ or Java. The design of the language makes it possible to write a powerful program in a few lines. MATLAB is a special-purpose language that is an excellent choice for writing moderate-size programs that solve problems involving the manipulation of numbers. It uses the programming system and language called MATLAB to do so because it is easy to learn, versatile and very useful for engineers and other professionals. This course teaches computer programming to those with little to no previous experience.
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