Topic: MATLAB
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Matlab Tutorial: Basic Steps in Matlab
This tutorial will walk you through some basic steps in Matlab. Do not simply reproduce the lines of code and move on. Be sure that you understand what is going on. At each step you should be able to alter the program to deal with a slightly different problem.
Matlab (or any other symbolic algebra program) can be an invaluable tool, helping to save hours of frustrating pencil time and avoiding careless mistakes. But it can also be a crutch. It is often the case that valuable intuition arises in the process of solving a problem. Sometimes computers will jump over these intermediate steps or simplify a solution in a fashion that robs the work of any intuition. I have reviewed papers for journals in which algebra was clearly done by a computer and the result was the author had little understanding of what was actually being done in the process. Don't let this happen to you. Use Matlab to help you understand; don't let it keep you from understanding.
Just to give you an idea of the type of thing that Matlab can do for you. Here's an example of simple code to solve an optimization problem and obtain the Marshallian demand function using Roy's identity.
Source: agecon2.tamu.edu
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