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Log-uniform sampling for global sensitivity analyses

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Abed Alnaif
Abed Alnaif el 26 de Oct. de 2021
Comentada: Abed Alnaif el 28 de Oct. de 2021
Hello,
When using the sbiosobol function, what's the default distribution that is used to sample between the bounds? Is there a way to specify uniform distributions for some parameters and log-uniform for others? I know that this can be done by changing the structural model so that the log-uniform parameters are used e.g. as 10^k, but I am wondering if there's a way to do this without modifying the model?
Thank you,
Abed

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Jeremy Huard
Jeremy Huard el 26 de Oct. de 2021
Hi Abed,
This option was added to sbiosobol in the latest release R2021b.
Best regards,
Jérémy
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Jeremy Huard
Jeremy Huard el 26 de Oct. de 2021
Hi Abed,
You can specify such samples by passing in a SimBiology.Scenarios object as the second input argument or by specifying the 'Distributions' name-value argument with a vector of probability distribution objects as its value.
https://www.mathworks.com/help/releases/R2021b/simbio/ref/sbiosobol.html#mw_1ef1927b-eefd-499b-a88f-8c3542d4df85
Abed Alnaif
Abed Alnaif el 28 de Oct. de 2021
Thank you, Jeremy!

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