Doubt about SIR model

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Doubt about SIR model

Ronaldo Alves
Dear graph-tool community,

I have a little doubt off the topic.
I've been checking out the SIR model. In the mathematical expression
what is the meaning of the variable ri? Was it the likelihood of
spontaneous infection of the node? I checked the references, but I
still couldn't understand.
Can you help me?

Best regards,

Ronaldo Alves
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Re: Doubt about SIR model

Tiago Peixoto
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Am 24.06.20 um 01:29 schrieb Ronaldo Alves:
> Dear graph-tool community,
>
> I have a little doubt off the topic.
> I've been checking out the SIR model. In the mathematical expression
> what is the meaning of the variable ri? Was it the likelihood of
> spontaneous infection of the node? I checked the references, but I
> still couldn't understand.
> Can you help me?

It's right there in the documentation:

      r : ``float`` (optional, default: ``0.``)
         Spontaneous infection probability.

Best,
Tiago

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Tiago de Paula Peixoto <[hidden email]>


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Tiago de Paula Peixoto <tiago@skewed.de>
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Re: Doubt about SIR model

Ronaldo Alves
Thank you Thiago,

As the math expression it has the index "i" in the variable "r" and in
the documentation of the parameter a float is expected, not an array,
I figured it could be something else.

Regards,
Ronaldo

Em qua., 24 de jun. de 2020 às 04:40, Tiago de Paula Peixoto
<[hidden email]> escreveu:

>
> Am 24.06.20 um 01:29 schrieb Ronaldo Alves:
> > Dear graph-tool community,
> >
> > I have a little doubt off the topic.
> > I've been checking out the SIR model. In the mathematical expression
> > what is the meaning of the variable ri? Was it the likelihood of
> > spontaneous infection of the node? I checked the references, but I
> > still couldn't understand.
> > Can you help me?
>
> It's right there in the documentation:
>
>       r : ``float`` (optional, default: ``0.``)
>          Spontaneous infection probability.
>
> Best,
> Tiago
>
> --
> Tiago de Paula Peixoto <[hidden email]>
>
> _______________________________________________
> graph-tool mailing list
> [hidden email]
> https://lists.skewed.de/mailman/listinfo/graph-tool
_______________________________________________
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