Unable to add an event block to a reaction rate in SimBiology

Question

Jacopo Biasetti 2020-3-25

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https://ww2.mathworks.cn/matlabcentral/answers/512822-unable-to-add-an-event-block-to-a-reaction-rate-in-simbiology

评论： Sietse Braakman 2020-3-25

Test_1a.sbproj

I'm unable to add an event block to a reaction rate block (ke) in SimBiology diagram view (taken from the help page "Model Views in SimBiology App") - please see attached file. When I connect the two blocks the event block for the reaction rate block is still undefined.

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Answer 1

Sietse Braakman 2020-3-25

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Hi Jacopo,

The parameter you are adding the event function to, ke, is currently "reaction-scoped". If you change the scope of your parameter ke to be "model-scoped" you will be able to add the event function to ke. Note that you will have to change your EventFunction to from reaction2.ke = ... to ke = ....

This behavior is rooted in SBML standards but it would be helpful for us to understand why you want ke to be reaction-scped as opposed to model-scoped. Is there a particular reason why you want ke to be reaction-scoped?

Let me know if that helps.

Best,

Sietse

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Jacopo Biasetti 2020-3-25

编辑：Jacopo Biasetti 2020-3-25

Hi Sietse,

I'm new to SimBiology and I was just following the help page "Model Views in SimBiology App"; I might have done something incorrectly while following the tutorial but can't figure out what.

How do I add a reaction rate that is model-scoped instead of reaction-scoped? I think that what I was doing was to specify ke when I was creating the reaction. Is this a wrong way of specifing parameters?

Many thanks,

Jacopo

Sietse Braakman 2020-3-25