MATLAB: Does Simulink.BusElement object support description field in Simulink 8.2 (R2013b)

simulinksimulink.buselement

I am using Simulink.Bus and Simulink.BusElement objects in my design. Does Simulink.BusElement object support description field like Simulink.Bus?

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Yes, Simulnk.BusElement contains description filed since MATLAB R2012b. For previous versions, there is no workaround.

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MATLAB: What are the differences between DATASET and TABLE in MATLAB 8.2 (R2013b)

Broadly speaking, Tables and datasets essentially serve the same functionality. Following are some of the differences:

1) Tables are included as part of core MATLAB, and do not need the installation of Statistics Toolbox to use them. Moreover, their design and terminology makes them a bit more accessible for non-statistical users, though they remain just as useful for statistics.

2) TABLE is ultimately meant to replace DATASET over time. Hence it is recommended to use TABLE in place of DATASET. Please note that this transition will not happen immediately and upcoming releases will provide more details and strategies for making the transition.

3) Before R2014a, You still needed to use DATASET in the Statistics Toolbox while using classes such as ‘LinearModel’ and ‘LinearMixedModel’ (which was new in MATAB R2013b). It is recommended to use TABLE and converting to DATASET only when needed, using TABLE2DATASET. As of 2014a and later, this is no longer true.

4) The TABLE class is currently sealed. Hence it is not possible to subclass from it unlike the DATASET class which can be inherited by a subclass.

MATLAB: How is the FIND_SYSTEM used to find “IF Action Subsystem” in Simulink 8.2 (R2013b)

The ability to query a subsystem directly to see if it is an If-Action-, Triggered-, Enabled-, or Function-call subsystem is not available in Simulink.

As a workaround query the subsystem to see if it contains an action port with the following commands:

 ports = get_param(subsystem,'PortHandles');
 conditional = ~isempty(ports.Enable) || ~isempty(ports.Trigger) || ~isempty(ports.Ifaction);

For instance, you can find and assign values to If-Action subsystem with the following commands:

 b=find_system(gcs,'LookUnderMasks','all','BlockType','SubSystem'); 
 for j=1:numel(b) 
     ports = get_param(b{j},'PortHandles'); 
     if (~isempty(ports.Ifaction))
        ...
     end
 end

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Related Solutions

MATLAB: What are the differences between DATASET and TABLE in MATLAB 8.2 (R2013b)

MATLAB: How is the FIND_SYSTEM used to find “IF Action Subsystem” in Simulink 8.2 (R2013b)

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