HSVPlot Properties

Access Hankel singular value plot properties

Since R2024b

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HSVPlot properties control the appearance and behavior of Hankel singular value (HSV) plots created using view (balanced), view (ncf), or view (pod). By changing property values, you can modify certain aspects of the plot.

R = reducespec(sys,"balanced");
hsvp = view(R)
hsvp.YScale = "linear";

For more information, see Customize Linear Analysis Plots at Command Line.

Response

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Model responses, specified as an HSVResponse object or an array of such objects. Use this property to modify the dynamic system model or appearance for each response in the plot. Each HSVResponse object has these properties.

Source data for the response, specified as a structure with these fields.

Model order reduction specification, specified as a BalancedTruncation, NCFBalancedTruncation, or SparseBalancedTruncation, or ProperOrthogonalDecomposition object.

Plot type, specified as one of these values.

  • "sigma" — Bar chart of Hankel singular values and associated error bound

  • "energy" — Bar chart of normalized energies

Response name, specified as a string or character vector and stored as a string.

Response visibility, specified as one of these logical on/off values:

  • "on", 1, or true — Display the response in the plot.

  • "off", 0, or false — Do not display the response in the plot.

The value is stored as an on/off logical value of type matlab.lang.OnOffSwitchState.

Option to list response in legend, specified as one of these logical on/off values:

  • "on", 1, or true — List the response in the legend.

  • "off", 0, or false — Do not list the response in the legend.

The value is stored as an on/off logical value of type matlab.lang.OnOffSwitchState.

Response characteristics, specified as []. HSV plots have no characteristics to display.

Scaling

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Scale for Y-axis, specified as either 'log' or 'linear'.

Title and Axis Labels

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Title text and style, specified as an AxesLabel object with these properties.

Text value, specified as a string or character vector and stored as a string.

To specify a title with multiple lines, concatenate the lines into a single string using newline.

myplot.Title.String = "first line" + newline + "second line";

Font size in point units, specified as positive scalar. One point equals 1/72 inch.

Dependencies

The default font size depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Character thickness, specified as "bold" or "normal".

Not all fonts have a bold weight. Therefore, the bold font might look the same as the normal font.

Dependencies

The default font weight depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Character slant, specified as "normal" or "italic".

Not all fonts have an italic font styles. Therefore, the italic font might look the same as the normal font.

Dependencies

The default font angle depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Font name, specified as a string or character vector containing the name of a system-supported font name. The default font depends on the specific operating system and locale. To view a list of available system fonts, use listfonts.

Text color, specified as an RGB triplet or a hexadecimal color code and stored as an RGB triplet.

Alternatively, you can specify some common colors by name. This table lists these colors and their corresponding RGB triplets and hexadecimal color codes.

Color NameRGB TripletHexadecimal Color Code

"red" or "r"

[1 0 0]#FF0000

"green" or "g"

[0 1 0]#00FF00

"blue" or "b"

[0 0 1]#0000FF

"cyan" or "c"

[0 1 1]#00FFFF

"magenta" or "m"

[1 0 1]#FF00FF

"yellow" or "y"

[1 1 0]#FFFF00

"black" or "k"

[0 0 0]#000000

"white" or "w"

[1 1 1]#FFFFFF

Text interpreter, specified as one of these values:

  • "tex" — Interpret characters using a subset of TeX markup.

  • "latex" — Interpret characters using LaTeX markup.

  • "none" — Display literal characters.

Subtitle text and style, specified as an AxesLabel object with these properties.

Text value, specified as a string or character vector and stored as a string.

To specify a subtitle with multiple lines, concatenate the lines into a single string using newline.

myplot.Subtitle.String = "first line" + newline + "second line";

Font size in point units, specified as positive scalar. One point equals 1/72 inch.

Dependencies

The default font size depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Character thickness, specified as "bold" or "normal".

Not all fonts have a bold weight. Therefore, the bold font might look the same as the normal font.

Dependencies

The default font weight depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Character slant, specified as "normal" or "italic".

Not all fonts have an italic font styles. Therefore, the italic font might look the same as the normal font.

Dependencies

The default font angle depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Font name, specified as a string or character vector containing the name of a system-supported font name. The default font depends on the specific operating system and locale. To view a list of available system fonts, use listfonts.

Text color, specified as an RGB triplet or a hexadecimal color code and stored as an RGB triplet.

Alternatively, you can specify some common colors by name. This table lists these colors and their corresponding RGB triplets and hexadecimal color codes.

Color NameRGB TripletHexadecimal Color Code

"red" or "r"

[1 0 0]#FF0000

"green" or "g"

[0 1 0]#00FF00

"blue" or "b"

[0 0 1]#0000FF

"cyan" or "c"

[0 1 1]#00FFFF

"magenta" or "m"

[1 0 1]#FF00FF

"yellow" or "y"

[1 1 0]#FFFF00

"black" or "k"

[0 0 0]#000000

"white" or "w"

[1 1 1]#FFFFFF

Text interpreter, specified as one of these values:

  • "tex" — Interpret characters using a subset of TeX markup.

  • "latex" — Interpret characters using LaTeX markup.

  • "none" — Display literal characters.

X-axis label text and style, specified as an AxesLabel object with these properties.

Text value, specified as a string or character vector and stored as a string.

To specify a label with multiple lines, concatenate the lines into a single string using newline.

myplot.XLabel.String = "first line" + newline + "second line";

Font size in point units, specified as positive scalar. One point equals 1/72 inch.

Dependencies

The default font size depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Character thickness, specified as "bold" or "normal".

Not all fonts have a bold weight. Therefore, the bold font might look the same as the normal font.

Dependencies

The default font weight depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Character slant, specified as "normal" or "italic".

Not all fonts have an italic font styles. Therefore, the italic font might look the same as the normal font.

Dependencies

The default font angle depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Font name, specified as a string or character vector containing the name of a system-supported font name. The default font depends on the specific operating system and locale. To view a list of available system fonts, use listfonts.

Text color, specified as an RGB triplet or a hexadecimal color code and stored as an RGB triplet.

Alternatively, you can specify some common colors by name. This table lists these colors and their corresponding RGB triplets and hexadecimal color codes.

Color NameRGB TripletHexadecimal Color Code

"red" or "r"

[1 0 0]#FF0000

"green" or "g"

[0 1 0]#00FF00

"blue" or "b"

[0 0 1]#0000FF

"cyan" or "c"

[0 1 1]#00FFFF

"magenta" or "m"

[1 0 1]#FF00FF

"yellow" or "y"

[1 1 0]#FFFF00

"black" or "k"

[0 0 0]#000000

"white" or "w"

[1 1 1]#FFFFFF

Text interpreter, specified as one of these values:

  • "tex" — Interpret characters using a subset of TeX markup.

  • "latex" — Interpret characters using LaTeX markup.

  • "none" — Display literal characters.

Y-axis label text and style, specified as an AxesLabel object with these properties.

Text value, specified as a string or character vector and stored as a string.

To specify a label with multiple lines, concatenate the lines into a single string using newline.

myplot.YLabel.String = "first line" + newline + "second line";

Font size in point units, specified as positive scalar. One point equals 1/72 inch.

Dependencies

The default font size depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Character thickness, specified as "bold" or "normal".

Not all fonts have a bold weight. Therefore, the bold font might look the same as the normal font.

Dependencies

The default font weight depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Character slant, specified as "normal" or "italic".

Not all fonts have an italic font styles. Therefore, the italic font might look the same as the normal font.

Dependencies

The default font angle depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Font name, specified as a string or character vector containing the name of a system-supported font name. The default font depends on the specific operating system and locale. To view a list of available system fonts, use listfonts.

Text color, specified as an RGB triplet or a hexadecimal color code and stored as an RGB triplet.

Alternatively, you can specify some common colors by name. This table lists these colors and their corresponding RGB triplets and hexadecimal color codes.

Color NameRGB TripletHexadecimal Color Code

"red" or "r"

[1 0 0]#FF0000

"green" or "g"

[0 1 0]#00FF00

"blue" or "b"

[0 0 1]#0000FF

"cyan" or "c"

[0 1 1]#00FFFF

"magenta" or "m"

[1 0 1]#FF00FF

"yellow" or "y"

[1 1 0]#FFFF00

"black" or "k"

[0 0 0]#000000

"white" or "w"

[1 1 1]#FFFFFF

Text interpreter, specified as one of these values:

  • "tex" — Interpret characters using a subset of TeX markup.

  • "latex" — Interpret characters using LaTeX markup.

  • "none" — Display literal characters.

Axes Limits

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X-axis limits, specified as a two-element vector of the form [min,max], where min is the minimum axis limit and max is the maximum axis limit.

Dependencies

When XLimitsMode is "auto", the X-axis limits are configured automatically based on the system dynamics.

X-axis limit selection mode, specified as one of these strings.

  • "auto" — Enable automatic limit selection, which is based on the total span of the plotted data.

  • "manual" — Manually specify the axis limits by setting the XLimits property.

Dependencies

If you modify XLimits, the XLimitsMode value changes to "manual".

Y-axis limits, specified as a two-element vector of the form [min,max],where min is the minimum axis limit and max is the maximum axis limit.

Dependencies

When YLimits is "auto", the Y-axis limits are configured automatically based on the system dynamics.

Y-axis limit selection mode, specified as one of these values:

  • "auto" — Enable automatic limit selection, which is based on the total span of the plotted data.

  • "manual" — Manually specify the axis limits by setting the YLimits property.

Dependencies

If you modify YLimits, the YLimitsMode value changes to "manual".

Axes Style

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Axes style, specified as an AxesStyle object with these properties.

Axes background color, specified as an RGB triplet or a hexadecimal color code and stored as an RGB triplet.

Alternatively, you can specify some common colors by name. This table lists these colors and their corresponding RGB triplets and hexadecimal color codes.

Color NameRGB TripletHexadecimal Color Code

"red" or "r"

[1 0 0]#FF0000

"green" or "g"

[0 1 0]#00FF00

"blue" or "b"

[0 0 1]#0000FF

"cyan" or "c"

[0 1 1]#00FFFF

"magenta" or "m"

[1 0 1]#FF00FF

"yellow" or "y"

[1 1 0]#FFFF00

"black" or "k"

[0 0 0]#000000

"white" or "w"

[1 1 1]#FFFFFF

Option to display axes outline, specified as one of these logical on/off values.

  • "on", 1, or true — Display outline.

  • "off", 0, or false — Hide outline.

The value is stored as an on/off logical value of type matlab.lang.OnOffSwitchState.

Line width of axes outline and tick marks, specified as a positive scalar value in point units.

Ruler color, specified as an RGB triplet or a hexadecimal color code and stored as an RGB triplet. The ruler color affects axes lines, tick marks, and tick labels.

Alternatively, you can specify some common colors by name. This table lists these colors and their corresponding RGB triplets and hexadecimal color codes.

Color NameRGB TripletHexadecimal Color Code

"red" or "r"

[1 0 0]#FF0000

"green" or "g"

[0 1 0]#00FF00

"blue" or "b"

[0 0 1]#0000FF

"cyan" or "c"

[0 1 1]#00FFFF

"magenta" or "m"

[1 0 1]#FF00FF

"yellow" or "y"

[1 1 0]#FFFF00

"black" or "k"

[0 0 0]#000000

"white" or "w"

[1 1 1]#FFFFFF

Font size for tick labels in point units, specified as positive scalar. One point equals 1/72 inch.

Character thickness for tick labels, specified as "bold" or "normal".

Not all fonts have a bold weight. Therefore, the bold font might look the same as the normal font.

Character slant for tick labels, specified as "normal" or "italic".

Not all fonts have an italic font styles. Therefore, the italic font might look the same as the normal font.

Font name for tick labels, specified as a string or character vector containing the name of a system-supported font name. The default font depends on the specific operating system and locale. To view a list of available system fonts, use listfonts.

Option to display major grid lines, specified as one of these logical on/off values.

  • "on", 1, or true — Display major grid lines.

  • "off", 0, or false — Hide major grid lines.

The value is stored as an on/off logical value of type matlab.lang.OnOffSwitchState.

Dependencies

The default grid visibility depends on the toolbox preferences. For more information, see Specify Toolbox Preferences for Linear Analysis Plots.

Grid color, specified as an RGB triplet or a hexadecimal color code and stored as an RGB triplet.

Alternatively, you can specify some common colors by name. This table lists these colors and their corresponding RGB triplets and hexadecimal color codes.

Color NameRGB TripletHexadecimal Color Code

"red" or "r"

[1 0 0]#FF0000

"green" or "g"

[0 1 0]#00FF00

"blue" or "b"

[0 0 1]#0000FF

"cyan" or "c"

[0 1 1]#00FFFF

"magenta" or "m"

[1 0 1]#FF00FF

"yellow" or "y"

[1 1 0]#FFFF00

"black" or "k"

[0 0 0]#000000

"white" or "w"

[1 1 1]#FFFFFF

Width of major grid lines, specified as a positive scalar in point units.

Grid line style, specified as one of these values.

Line StyleDescription
"-"Solid line
"--"Dashed line
":"Dotted line
"-."Dash-dotted line

Grid line transparency, specified as a scalar value in the range [0,1], where a smaller value indicates more transparency.

Option to display minor grid lines, specified as one of these logical on/off values.

  • "on", 1, or true — Display minor grid lines.

  • "off", 0, or false — Hide minor grid lines.

The value is stored as an on/off logical value of type matlab.lang.OnOffSwitchState.

Dependencies

Minor grid lines are not displayed by default.

Minor grid color, specified as an RGB triplet or a hexadecimal color code and stored as an RGB triplet.

Alternatively, you can specify some common colors by name. This table lists these colors and their corresponding RGB triplets and hexadecimal color codes.

Color NameRGB TripletHexadecimal Color Code

"red" or "r"

[1 0 0]#FF0000

"green" or "g"

[0 1 0]#00FF00

"blue" or "b"

[0 0 1]#0000FF

"cyan" or "c"

[0 1 1]#00FFFF

"magenta" or "m"

[1 0 1]#FF00FF

"yellow" or "y"

[1 1 0]#FFFF00

"black" or "k"

[0 0 0]#000000

"white" or "w"

[1 1 1]#FFFFFF

Width of minor grid lines, specified as a positive scalar in point units.

Minor grid line style, specified as one of these values.

Line StyleDescription
"-"Solid line
"--"Dashed line
":"Dotted line
"-."Dash-dotted line

Minor grid line transparency, specified as a scalar value in the range [0,1], where a smaller value indicates more transparency.

Since R2025a

Active data axes for hold workflows on MIMO linear analysis plots or a SISO Bode plots, specified as a two-element vector of integers indicating the row and column of the active axes. When you first create a chart, the bottom right axes is active. If you reduce the number of visible axes, the active axes automatically updates to a visible axes if necessary.

The DataAxes property affects only hold workflows that do not include adding new responses.

Legend

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Legend axes selection mode, specified as one of these values:

  • "auto" — Show the legend in the northeast visible axes.

  • "manual" — Show the legend in the axes indicated by the LegendAxes property.

Legend axes, specified as a two-element vector of integers indicating the row and column of the axes in which to display the legend.

Dependencies

When LegendAxesMode is "auto", LegendAxes contains the row and column of the northeast visible axis.

Option to display the legend, specified as one of these logical on/off values:

  • "on", 1, or true — Display the legend.

  • "off", 0, or false — Hide the legend.

The value is stored as an on/off logical value of type matlab.lang.OnOffSwitchState.

Legend location within the axes, specified as one of these values:

  • "northeast" — Top-right corner

  • "northwest" — Top-left corner

  • "southeast" — Bottom-left corner

  • "southwest" — Bottom-right corner

  • "north" — Top

  • "south" — Bottom

  • "east" — Right side

  • "west" — Left side

  • "best" — Location where the least conflict occurs with the plot data at the time that you create the legend. If the plot data changes, you might need to reset the location to "best".

Orientation for stacking legend items, specified as one of these values:

  • "vertical" — Stack items vertically.

  • "horizontal" — Stack items horizontally.

Chart Layout

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Parent container of the chart, specified as one of these objects:

  • Figure

  • TiledChartLayout

  • UIFigure

  • UIGridLayout

  • UIPanel

  • UITab

Chart visibility, specified as one of these logical on/off values:

  • "on", 1, or true — Display the chart.

  • "off", 0, or false — Hide the chart without deleting it. You can still access the properties of chart when it is not visible.

The value is stored as an on/off logical value of type matlab.lang.OnOffSwitchState.

Visibility of the chart object handle in the list of children for its parent, specified as one of these values:

  • 'on' — Chart object handle is always visible.

  • 'off' — Chart object handle is invisible at all times. This option is useful for preventing unintended changes to the chart by another function. To temporarily hide the handle during the execution of that function, set the HandleVisibility to 'off'.

  • 'callback' — Chart object handle is visible from within callbacks or functions invoked by callbacks, but not from within functions invoked from the command line. This option blocks access to the object in the Command Window, but it allows callback functions to access it.

Position units, specified as a value from the following table. To change the position of the chart in specific units, set the Units property before specifying the Position property. If you specify the Units and Position properties in a single command (using name-value pairs), be sure to specify Units before Position.

UnitsDescription
'normalized'Normalized with respect to the parent container, which is typically the figure, panel, or tab. The lower left corner of the container maps to (0,0), and the upper right corner maps to (1,1).
'inches'Inches
'centimeters'Centimeters
'characters'

Based on the default font of the graphics root object:

  • Character width = width of letter x.

  • Character height = distance between the baselines of two lines of text.

'points'Typography points. One point equals 1/72 inch.
'pixels'

On Windows® and Macintosh systems, the size of a pixel is 1/96th of an inch. This size is independent of your system resolution.

On Linux® systems, the size of a pixel is determined by your system resolution.

Chart size and location, including the margins for decorations such as axis labels and tick marks. Specify this property as a vector of form [left bottom width height]. The values are in the units specified by the Units property.

  • left — Distance from the left edge of the parent container to the outer-left edge of the chart that includes the margins. Typically, the parent container is a figure, panel, or tab.

  • bottom — Distance from the bottom edge of the parent container to the outer-bottom edge of the chart that includes the margins.

  • width — Width of chart, including the margins.

  • height — Height of chart, including the margins.

Note

Setting this property has no effect when the parent of the chart is a TiledChartLayout.

Chart size and location, excluding the margins for decorations such as axis labels and tick marks. Specify this property as a vector of form [left bottom width height]. The values are in the units specified by the Units property.

  • left — Distance from the left edge of the parent container to the inner-left edge of the chart that excludes the margins. Typically, the parent container is a figure, panel, or tab.

  • bottom — Distance from the bottom edge of the parent container to the inner-bottom edge of the chart that excludes the margins.

  • width — Width of the chart, excluding the margins.

  • height — Height of the chart, excluding the margins.

Note

Setting this property has no effect when the parent of the chart is a TiledChartLayout.

Chart size and location, excluding the margins for decorations such as axis labels and tick marks. Specify this property as a vector of form [left bottom width height]. This property is equivalent to the InnerPosition property.

Note

Setting this property has no effect when the parent of the chart is a TiledChartLayout.

Position property to hold constant when adding, removing, or changing decorations, specified as one of these values:

  • 'outerposition' — The OuterPosition property remains constant when you add, remove, or change decorations such as a title or an axis label. If any positional adjustments are needed, MATLAB® adjusts the InnerPosition property.

  • 'innerposition' — The InnerPosition property remains constant when you add, remove, or change decorations such as a title or an axis label. If any positional adjustments are needed, MATLAB adjusts the OuterPosition property.

Note

Setting this property has no effect when the parent of the chart is a TiledChartLayout.

Layout options, specified as a TiledChartLayoutOptions object or GridLayoutOptions object. This property specifies options when an instance of your chart is a child of a tiled chart layout or gridded layout. If the instance is not a child of one of these layouts (for example, it is a child of a figure or panel), then this property is empty and has no effect. Otherwise, you can position the chart within the layout by configuring the layout options.

This code places chart object c into the third tile of a tiled chart layout and makes the chart span 2 rows and 3 columns.

c.Layout.Tile = 3;
c.Layout.TileSpan = [2 3];

This code places chart object c into row 2 of a gridded layout and makes the chart span columns 3 and 4.

c.Layout.Row = 2;
c.Layout.Column = [3 4];

Properties to reset when adding a new plot to the chart, specified as one of these values:

  • 'add' — Add new plots to the existing chart. Do not delete existing plots or reset axes properties before displaying the new plot.

  • 'replace' — Delete existing plots and reset chart properties, except Position and Units, to their default values before displaying the new plot.

Tips

You can also interactively modify response plot properties using the:

Version History

Introduced in R2024b

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See Also

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