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Simbiology example expression in the Tumor growth model
Hi, We chose to model the tumor weight this way so that it would be possible to perform local sensitivity analysis using tumor ...

2年弱前 | 0

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How can I calculate the Hessian matrix for fit results with sbiofit (SimBiology)?
I can't think of an easy way to calculate the Hessian matrix. The objective function is not analytical (since it involves approx...

2年弱前 | 0

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how to do sensitivity analysis
Hi, It's not currently possible to use an observable as a sensitivity analysis input or output. One workaround is to perform se...

2年弱前 | 0

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Are ADDL (additional doses) and II (interval) nlme columns supported in Simbiology datasets for model fitting?
When you actually perform the fit, you typically want one row in your data that describes each distinct dose event. (It is also ...

2年弱前 | 0

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Is it possible to deactivate all reactions within a compartment in SimBiology?
I think the getBlock function will give you the information you need to determine whether a reaction is inside a compartment. It...

2年弱前 | 0

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/tmp/.e6fa-d450-cf2c-87f9.tmp Invalid cross-device link
MathWorks recently published a bug report about this.

2年弱前 | 0

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How to extract value of Sobol index from the Sobol index plot generated in Matlab ?
In your comment, what do you mean by the "global sensitivity analysis tool"? Do you mean you are running a global sensitivity a...

約2年前 | 0

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Creating a reaction that combines multiple individual species together in Simbiology
Hi, Your question doesn't yet completely make sense to me, so I can't yet give a direct answer. But I'll try to provide an indi...

約2年前 | 0

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sbiosimulate Not Releasing Memory
My guess is that this memory usage is somehow associated with SimBiology models that are still in memory. If you want to reclaim...

約2年前 | 1

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how to re-assign parameter value assigned in an active variant in SimBiology?
sbiosimulate(modelObj) will simulate using only active variants. If you set all your variants to inactive, then you should simul...

約2年前 | 0

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selecting and re-assignment of non-existing parameters in SimBiology does not trigger any warning?
I can think of several ways to answer your question, depending on exactly how you want to handle this situation. sbioselect can ...

約2年前 | 0

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Simbiology reaction stoichiometry: R + E ==> P + E, or the simpler R ==> P?
I don't expect this choice to make any numerical difference. For most situations, I consider it a stylistic choice (for example,...

約2年前 | 0

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Pooled data fit of multiple data sets from different model parameters
If I understand correctly, you can do this in the Model Analyzer app. You just need to merge the two data sets into a single dat...

2年以上前 | 0

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Computer freeze results in invalid zip error for simbiology model
Change the extension of the backup files to .sbproj, and then you should be able to (try to) open them in SimBiology. If you wan...

2年以上前 | 1

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SimBiology parameter estimation for a series of single dose-response data
I think the problem is that you need to add a grouping variable to your DOSEdata and your CONCdata. As the code is currently wri...

2年以上前 | 0

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How to solve issue with loading project on simbiology (index exceeds number of array elements).
I don't think there's anything you can do as an end user. But I'm a developer on SimBiology, and I'd like to see if we can do an...

2年以上前 | 0

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Integration tolerance not met in simbiology project
Without reproduction steps, I can't be sure what's going on. I recommend reading this page on Troubleshooting Simulation Problem...

2年以上前 | 0

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Build-in unit conversion in SimBiology
Short answer: You can see the relationship between two by using the function sbiounitcalculator, which shows you that 1 day is ...

2年以上前 | 0

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Running parallel using build in 10-core GPU and 16-core neural Engine in MacBook Air M2
You can use run the Intel version of many releases of MATLAB on an M2 Mac just fine. I'm a SimBiology developer with an M1Pro Ma...

2年以上前 | 0

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Is specifying objective fuction for multiple variables in SimBiology possible?
It depends on what you mean by "possible." :-) If you're using a fit program in the SimBiology Model Analyzer app or the functio...

2年以上前 | 0

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How to add programmatically (using command line) add a program to a simbiology model?
This is not currently possible but is something we would consider adding in a future release. Until then, you will need to creat...

2年以上前 | 0

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Incorrect units in simple reaction in SimBiology?
This is a bug in SimBiology. SimBiology checks that all species participating in a reaction have dimensionally consistent units....

2年以上前 | 0

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Estimating Parameter That Satisfies Minimal Efficacy
Here's a high-level description of how I'd do this in the Analyzer App: Create and run a simulation program that determines the...

2年以上前 | 1

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Time after last dose
I haven't read the article, so I don't know how the TAD parameter is used. I'm assuming you need to know TAD during the simulati...

2年以上前 | 0

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Automatic generation of SimBiology code from GUI
There is not currently any shipping functionality to do this. However, this is something we've been thinking about for a future ...

2年以上前 | 0

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Specifying a cost function to optimize a simbiology model response to plausible ranges
Fearass and I had a chat about this. I figured out that the cost function is essentially a modification of some of squares of re...

2年以上前 | 1

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Possible ways to test SimBiology model robustness
The closest thing I can think of off the top of my head is cross-validation. Maybe you want to take a look at this page and see ...

2年以上前 | 0

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How to add noise in SimBiology analyzer app
Hi, I can't think of a way to add noise using just the SimBiology Model Analyzer app. I think you will need to export the data ...

2年以上前 | 0

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Reaction continues even after the concentration is below zero in Simbiology
I answered a similar question here. As I mention there, there's currently no way to completely prevent negative numbers in all c...

2年以上前 | 0

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Simbiology plot problem when using global solvers
Can you share the project or provide some other way for us to reproduce what you're seeing? That would help us definitely say wh...

2年以上前 | 1

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