MATLAB Programming Fundamentals - MathWorks

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MATLAB runs the section after every click.

NoteMATLAB software does not automatically save changes you make to the numbers in
your script.


Navigate Among Code Sections in a File


You can navigate among sections in a file without evaluating the code within those
sections. This facilitates jumping quickly from section to section within a file. You might
do this, for example, to find specific code in a large file.


Operation Instructions
Move to the next section. •
On the Editor tab, in the Run section, click Advance.
Move to the previous
section.


  • Press Ctrl + Up arrow.


Move to a specific section. •
On the Editor tab, in the Navigate section, use the
Go To to move the cursor to a selected section.

Example of Evaluating Code Sections


This example defines two code sections in a file called sine_wave.m and then increments
a parameter to adjust the created plot. To open this file in your Editor, run the following
command, and then save the file to a local folder:


edit(fullfile(matlabroot,'help','techdoc','matlab_env',...
'examples','sine_wave.m'))


After the file is open in your Editor:


1 Insert a section break and the following title on the first line of the file.


%% Calculate and Plot Sine Wave
2 Insert a blank line and a second section break after plot(x,y). Add a section title,
Modify Plot Properties, so that the entire file contains this code:


%% Calculate and Plot Sine Wave
% Define the range for x.

Code Sections
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