Problem

You can make variables global, allowing functions access to the variables in MATLAB’s work...

You can make variables global, allowing functions access to the variables in MATLAB’s workspace. To get a feel for what this means, create the function M-file

Save the file as gcn.m. In MATLAB’s command window, enter the following commands.

Why are these last two outputs identical? What is the current value of A in MATLAB’s workspace?

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Solutions For Problems in Chapter 4

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