MATLAB: Does the Simulink Scope show a signal’s value at minor time steps in Simulink 6.5 (R2006b)

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I would like to know if Simulink scopes plot intermediate (minor time step) values.

Best Answer

This enhancement has been incorporated in Simulink 7.1 (R2008a) in the following documentation:

 <http://www.mathworks.com/access/helpdesk/help/toolbox/simulink/slref/floatingscope.html>

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MATLAB: Do Simulink Scope blocks have the ability to display the numerical value of a signal next to plots in Simulink 7.9 (R2012a)

The ability to view the numerical value of a Simulink signal in a Scope is not available in Simulink 7.9 (R2012a).

The workarounds are as follow:

1. Use a Display block in the model to look at the numerical value of a signal outside the Scope block while the simulation is running.

2. If using Simulink 7.9 (R2012a) or later, you can also right-click on a signal and show the port value as follows:

Simulink 7.9 (R2012a): Right-click the signal and select "Show Port Value".

Simulink 8.0 (R2012b): Right-click the signal and select "Show Value label of selected port".

MATLAB: Do I get individual Timeseries objects when I log a muxed signal in Simulink 6.5 (R2006b)

The ability to log a muxed signal as a single Timeseries object is not available in Simulink 6.5 (R2006b).

The reason why a TsArray is produced when logging a Mux signal is because the component signals of the Mux are not in contiguous memory. The Concatenate block outputs a contiguous array, which is why you see a TimeSeries. The Mux block does not make any guarantee about the contiguity of the output signal.

You can work around this by using the Concatenate Block from the Simulink Math Operations library instead. More information on this block can be found by executing the following command at the MATLAB prompt

docsearch concatenate

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Related Solutions

MATLAB: Do Simulink Scope blocks have the ability to display the numerical value of a signal next to plots in Simulink 7.9 (R2012a)

MATLAB: Do I get individual Timeseries objects when I log a muxed signal in Simulink 6.5 (R2006b)

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