MATLAB POLYSPACE RELEASE NOTES Uživatelský manuál stáhnout pdf (Strana 59)

Overview of MATLAB Plotting

See “Some Ways to Use MATLAB Plotting Tools” on page 3-23.

• Use the command interface to enter commands in the Comm and Window

or create plotting programs.

See “Using Basic Plotting Functions” on page 3-49.

You might find it useful to combine both approaches. For example, y ou might

issue a plotting command to create a graph and then modify the graph using

one of t h e interactive t oo ls.

Exploring Data

Once you create a graph, you can extract specific information about the data,

such as the num eric value o f a peak in a plot, the average value of a series of

data, or you can perform data fitting.

For More Information See “Data Exploration Tools” in the MATLAB

Graphics documentation and “Opening the Basic Fitting GUI” in the MATLAB

Data Analysis documentation.

Editing the Graph Components

Graphs are composed of objects, which have properties you can change. These

properties affect the way the various graph components look and behave.

For example, the axes used to define the coordinate system of the graph has

properties that define thelimitsofeachaxis,thescale,color,etc. Theline

used to create a line graph has properties such as color, type of marker used

at each data point (if any), line style, etc.

Note that the data used to create a line graph are properties of the line. You

can, therefore, change the data without actually creating a new graph.

See “Editing Plots” on page 3-17.

Annotating Graphs

Annotations are the text, arrows, callouts, and other labels added to graphs

to help viewers see what is important about the data. You typically add

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MATLAB POLYSPACE RELEASE NOTES Uživatelský manuál Strana 59