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Introduction to Matlab

Introduction to Matlab. What is Matlab? Is Matlab like C? Why learn Matlab? What’s the best way to learn Matlab? Google for tutorials. How much will I learn?. 3 lectures 2 labs 1 practical That’s not much time, but it’s enough to start to become familiar with basic Matlab concepts.

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Introduction to Matlab

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  1. Introduction to Matlab • What is Matlab? • Is Matlab like C? • Why learn Matlab? • What’s the best way to learn Matlab? • Google for tutorials

  2. How much will I learn? • 3 lectures • 2 labs • 1 practical • That’s not much time, but it’s enough to start to become familiar with basic Matlab concepts.

  3. What I expect you to be able to do… • Define vectors and matrices • Access parts of vectors/matrices using indexing • Solve a system of linear equations • Plot simple functions • Add titles and text to plots • Write simple ‘m’ files. • Use Matlab’s help. • Complex numbers • Move Excel data into Matlab • Simple Symbolic Calculations

  4. In the lectures you should… • Listen with an ear for the “big” picture. It’s easy to get lost in the details. • Try to make the basic ideas stick in your long term memory. • Make a mental commitment to using Matlab in other Engineering courses – even if it’s not required.

  5. Some demos • help demo • You can analyze and process speech • Load a wav • Spectrogram • Special Effects • You can analyze and process images

  6. Getting Started • Command line • Variable listing with sizes • History and Navigation • Present working directory (pwd) • The colon operator for defining vectors • The value of the semicolon • What’s an m-file? And what about toolboxes?

  7. More intro stuff • The ‘lookfor’ command • The workspace • Saving your work *.m and *.mat files. • The Matlab path. • Direct entry of vectors and matrices • Getting Data from Excel – A simple way. • Matrix arithmetic operations. • The point-by-point operator

  8. And more… • Complex numbers • Indexing concepts

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