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Basics of MATLAB and beyond / Andrew Knight. p. cm. Includes . ment format ( PDF) version of the Getting Started with MATLAB man- ual. INTRODUCTION TO MATLAB FOR. ENGINEERING STUDENTS. David Houcque . Northwestern University. (version , August ). MATLAB For Dummies. Book Details. Related When you first start MATLAB, the current. How to Obtain the Symbolic Math Toolbox for MATLAB. You need to.
We provide online content to make this book more flexible and better able to meet your needs. That way, as we receive email from you, we can address questions and tell you how updates to either MATLAB or its associated add-ons affect book content.
In fact, you gain access to all these cool additions: You do? Well, a cheat sheet is sort of like that. You can find the cheat sheet for this book at http: A lot of readers were skipping past the parts pages in For Dummies books, so the publisher decided to remedy that.
You can find the articles for this book at http: Sometimes changes happen. For example, we might not have seen an upcoming change when we looked into our crystal balls during the writing of this book. In the past, this possibility simply meant that the book became outdated and less useful, but you can now find updates to the book at http: In addition to these updates, check out the blog posts with answers to reader questions and demonstrations of useful book-related techniques at http: Who really wants to type all the code in the book and reconstruct all those plots by hand?
Most readers would prefer to spend their time actually working with MATLAB and seeing the interest- ing things it can do, rather than typing. Fortunately for you, the exam- ples used in the book are available for download, so all you need to do is read the book to learn MATLAB usage techniques. You can find these files at http: You can always go back to earlier chapters as necessary when you have questions.
Every technique, coding example, and procedure has important lessons for you, and you could miss vital content if you start skipping too much information. In this part. However, math is also abstract and can be quite difficult and complex to work with.
It helps you understand the role that MATLAB can play in reducing the overall complexity of math and in explaining math-related infor- mation to others more easily.
You also discover that MATLAB is already used by a number of different organizations to perform real-world tasks in a manner that improves accuracy, efficiency, and consistency. This chap- ter also discusses what you can do to reduce the learning curve so that you become productive much faster.
The less time you spend learning about MATLAB, the more time you spend applying math to your particular specialty, and the better the results you achieve. The following sections help you put MATLAB into perspective so that you better understand how you can use it to perform useful work. The main emphasis of a Turing machine is performing tasks step by step.
A single processor performs one step at a time. It may work on multiple tasks, but only a single step of a specific task is performed at any given time. It, too, performs tasks one step at a time in a procedural fashion. The code is surprisingly short. Even though the programs that drive the computer may be designed to give the illusion of some other technique, when you look at how the computer works, you see that it goes step by step.
Understanding how computers work Many older programmers are geeks who punched cards before TVs had transistors. This physicality gave programmers a good understanding of what happens when a program runs.
Introducing MATLAB and Its Many Uses Today, the instructions and data are stored as charges of electrons in tiny pieces of silicon too small to be seen through even the most pow- erful optical microscope. But the way they use that information is basically the same as early computers. In those old card decks, programmers wrote one instruction on each card. After all the instructions, they put the data cards into a card reader.
The computer read a card and the com- puter did what the card told it to do: Get some data, get more data, add it together, divide, and so on until all the instructions were executed. A series of instructions is a program. The fol- lowing figure shows a basic schematic block diagram of how a computer works. Unchanged from the old days, when cards were read one at a time, computer instructions con- tinue to be read one at a time.
The instruction is executed, and then the computer goes to the next instruction. Computers can make decisions based on specific criterion, such as whether something is true or false, and take the route indicated for that decision.
For exam- ple, when the computer has read all the data for a task, the program tells the computer to quit reading data and start doing calculations. Mapping how the computer executes pro- grams is called a flow chart, which is similar to a road map with intersections where deci- sions must be made.
MATLAB relies on well- designed flow charts to make it easy to see what the computer will do, when it will do it, and how it will accomplish the required tasks. When using a calculator, you first think of the steps and num- bers you want to enter and in what sequence to enter them to solve your problem.
However, you can use it like a calculator, and doing so is a good technique to try ideas that you might use in your program. Innovation of any sort requires these disciplines, as do many practical trades.
The intent behind Basic was to make the language simple. The idea is that you have better things to do than learn how to program using a complex language designed to meet needs that your programs will never address.
Everything has trade-offs. MATLAB is specifically designed to meet the needs of people who use math for learning or to make a living. It gets rid of the com- plexity found in many other languages and keeps things simple so that you www.
Starting with the C and Pascal computer languages, developers began creat- ing structured environments. MATLAB places a strong emphasis on structure for example, in the way it organizes data and in the manner in which you write code , which means that you spend a lot more time doing something fun and a lot less time writing code because the structure means that you work with data in a consistent manner.
Structure does come with a price there really are trade-offs to everything. Early developers could write an application quickly because they had few rules to follow. Because newer languages do enforce structure making the code easier to read and update later , you have to spend time learning the rules.
The rules are what produce the learning curve in MATLAB that you need to consider as part of working with the product.
Make sure that you set realistic goals and establish a timetable that reflects the need to learn pro- gramming rules. Every element of an application becomes an object that has specific characteristics and can perform specific tasks. This technology is quite useful to developers because it helps them create extremely complex applications with fewer errors and less coding time.
The lack of an OOP requirement means that you can get up and running with MATLAB far faster than you could with a conventional modern programming language and without a loss of the func- tionality that you need to perform math tasks. Leave the complex OOP languages to developers who are creating the software used to access huge databases, or developing a new operating system. In contrast to a general programming language, this toolbox provides specific functionality needed to meet certain STEM objectives.
For example, a first-generation language works side by side with the hardware. Nothing is wrong with working directly with the hardware, but you need specialized knowledge to do it, and writing such code is time consum- ing. Second- generation languages, such as Macro Assembler [MASM] are somewhat human-readable, must be assembled into executable code before use, and are still specific to a particular processor.
A third-generation language gives the developer the kind of precise control needed to write exceptionally fast applications that can perform a wide array of tasks. Fourth-generation languages make asking for information easier.
For the MATLAB user, the promise of fourth-generation languages means being able to work with collections of data, rather than indi- vidual bits and bytes, making it easier for you to focus on the task, instead of the language. As languages progress from first generation to fourth generation and beyond , they become more like human language. You tell the computer what to do, but the computer actually decides how to do it.
Such languages are useful because they take the burden of interacting with the computer hardware off the language user and place it on the automation that supports the language. Using MATLAB makes you more efficient because the language is specifically designed to meet the needs of STEM users just as SQL is designed to meet the needs of database administrators and developers who need to access large databases.
You can find such a list at http: The list of companies goes on and on. In addition, you have access to procedures that you can use to make your tasks easier to perform. This book assumes that you have a certain level of math knowledge.
However, many sites online cater to math knowledge. For example, you can find a host of tutorials at http: These tutorials come com- plete with exercises that help you understand the math behind the MATLAB examples in this book.
Getting Started with MATLAB Applying what you know about other procedural languages One of the more significant problems in understanding how to use any lan- guage is the procedure. The point was driven home to one fellow at an early age when his teacher assigned his class the task of writing a procedure for making toast. Every student carefully developed a procedure for making toast, and on the day the papers were turned in, the teacher turned up with a loaf of bread and a toaster.
She dutifully followed the instructions each child provided to the letter. All the children failed at the same point. Yes, they forgot to take the bread out of the wrapper. You can imagine what it was like trying to shove a single piece of bread into the toaster when the piece was still in the wrapper along with the rest of the bread.
Programming can be at times just like the experiment with the toast. The computer takes you at your word and follows to the letter the instructions you provide. The results may be not what you expected, but the computer always follows the same logical course. You have already developed the skill required to break instructions into small pieces and know what to do when a particular piece is missing.
Yes, you can use this book without any prior programming experience, but the prior experience will most definitely help you get through the chapters must faster and with fewer errors.
Make sure that you also check out the blog for this book at http: This is the place to look for updates and additional information. You can also write the authors: John John JohnMuellerBooks. We want to ensure that you have a great reading experience and can get everything possible from this book.
If nothing else, you need to discover the techniques that developers use to break tasks into small pieces, ensure that all the pieces are actually there, and then place the pieces in a logical order. Creating an orderly flow of steps that the computer can follow can be difficult, but this book leads you through the process a step at a time.
You learn by doing. Try the examples in this book and invent some of your own. Try variations and experiment. Fortunately, you can obtain a free trial version that lasts 30 days.
The point is that you need a good installation, and this book helps you obtain that goal. This chapter provides you with an overview of the interface, not a detailed look at every feature.
You may actually want to mark this chapter in some way so that you can refer back to the interface information. Installing MATLAB A problem that anyone can encounter is getting a bad product installation or simply not having the right software installed.
It can run on systems with fewer www.
You can use it on these systems: Fortunately, you have a number of methods at your disposal. Matlab has a very good sparse eigenvalue solver, eigs, but the sparse singular-value solver svds is not so good it calls eigs on a modified matrix.
Write your own Laczos-based SVD routine to replace svds. Here are possible ideas for your own topic: Image compression. Recreate either jpeg compression which uses the discrete cosine transform, "DCT", similar to the FFT , or jpeg compression which uses a wavelet transform. Or, use your own transform, and apply it to a useful class of images.
Search engine. Make a small search engine in Matlab see chapter 2 of Moler for a description of PageRank, and how to crawl the web using Matlab. Optionally, include some basic semantic features, like searching for "computer" when the search term is "computers", or "work" when the search term is "working.
Audio compression. Difficulty: medium-hard to hard. Read the eigenvalue chapter chapter 10 of Moler's online textbook, in particular the section on PCA. Use PCA to do something interesting, e. Download A. When you need guidance on equations and inequalities or even solving quadratic, Mathfraction. Octave is the "open-source Matlab" Octave is a great gnuplot wrapper www. MATLAB Online offers cloud storage and synchronization, and collaboration through online sharing and publishing, making it ideal for teaching, learning, and lightweight access.
Please click button to get matlab for dummies book now. This complimentary computer program can be used in science: in research but also in study both university and in different school grades, but it isn't the best for dummies. Students struggling with all kinds of algebra problems find out that our software is a life-saver. Someone who learns just the built-in functions will be well-prepared to use MATLAB, but would not under-stand basic programming concepts.
By John Mueller, Jim Sizemore. The information is stored as a list of two numbers. Double-click b in the Workspace window and you see two separate entries. Expand your knowledge through interactive courses, explore documentation and code examples, or watch how-to videos on product capabilities.
Of course, getting the right answer happens only when you know how to ask the right question. Do My Matlab Homework for Dummies. One of the main advantages of Simulink is the ability to model a nonlinear system, which a transfer function is unable to do. In this course. For any questions or concerns, please contact Christopher Lum lum u.
Now a word about this particular book. Publisher: For Dummies. Download it once and read it on your Kindle device, PC, phones or tablets. MATLAB matrix laboratory is a multi-paradigm numerical computing environment and fourth-generation programming language which is frequently being used by engineering and science students.
A magic square is a square grid of numbers where the total of any row, column, or diagonal is the same.
However, formatting rules can vary widely between applications and fields of interest or study. However, more readers ask about the eBook availability of my books instead of print these days, selling eBooks always site. This document is not a comprehensive introduction or a reference man-ual. We start with a little bit of history of OOP, talk about why and when this is useful and turn to few Matlab examples for you to get immediately started.
What is the difference between evaluation and simplification of an expression?
Please use this form if you would like to have this math solver on your website, free of charge. It is used for freshmen classes at North-western University. A for loop is a repetition control structure that allows you to efficiently write a loop that needs to execute a specific number of times.
In the tutorial, students will solve the problem of finding the closest meet-up location on a map by creating an algorithm.