spectrumoptions
Option set for spectrumplot
Description
creates
the default option set for opt
= spectrumoptionsspectrumplot
. Use
dot notation to customize the option set, if needed.
initializes
the plot options with the System Identification Toolbox™ preferences.
Use this syntax to change a few plot options but otherwise use your
toolbox preferences.opt
= spectrumoptions('identpref')
Examples
Specify the plot options.
plot_options = spectrumoptions; plot_options.FreqUnits = 'Hz'; plot_options.FreqScale = 'linear'; plot_options.Xlim = {[0 20]}; plot_options.MagUnits = 'abs';
Estimate an AR
model.
load iddata9 z9 sys = ar(z9,4);
Plot the output spectrum for the model.
spectrumplot(sys,plot_options);
opt = spectrumoptions('identpref');
Output Arguments
Option set containing the specified options for spectrumplot
.
Field | Description |
---|---|
|
Text and style for axes labels and plot title, specified as a structure array with the following fields:
|
TickLabel |
Tick label style, specified as a structure array with the following fields:
|
Grid |
Show or hide the grid, specified as one of the
following values: Default:
|
GridColor |
Color of the grid lines, specified as one of the
following: vector of RGB values in the range
Default:
|
XLimMode , YLimMode |
Axes limit modes, specified as one of the following values:
Default:
|
XLim , YLim | Axes limits, specified as an array of the form [min,max] |
IOGrouping |
Grouping of input-output pairs in the plot,
specified as one of the following values:
Default:
|
InputLabels , OutputLabels |
Input and output label styles, specified as a structure array with the following fields:
|
InputVisible , OutputVisible |
Visibility of input and output channels, specified
as one of the following values:
Default:
|
ConfidenceRegionNumberSD |
Number of standard deviations to use to plot the response confidence region. Default:
|
FreqUnits | Frequency units, specified as one of the following values:
Default: You
can also specify |
FreqScale |
Frequency scale, specified as one of the following
values: Default:
|
MagUnits |
Magnitude units, specified as one of the following
values: Default:
|
MagScale |
Magnitude scale, specified as one of the following
values: Default:
|
MagLowerLimMode |
Enables a lower magnitude limit, specified as one
of the following values: Default:
|
MagLowerLim | Lower magnitude limit, specified as data type double . |
Version History
Introduced in R2012a
See Also
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