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Feeds
How to add digestibility in SimBiology Model Builder
I'm not sure what you mean by digestibility. The closest I know of is this SimBiology example, which implements a couple of reac...
6日 前 | 0
Model reduction of simbiology models
Hi Paulo, The model order reduction functionality that you point to is limited to linear time-invariant systems. Most SimBiolog...
9日 前 | 0
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How to download old version of toolbox?
I think the versions you are allowed to download depend on your license. If you go to https://www.mathworks.com/downloads/ , the...
19日 前 | 1
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simFunction and dose Array from an input file
Ok, I think I finally understand what's going on. When you create the SimFunction, you only need to specify one "template" dose...
約2ヶ月 前 | 0
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Simbiology Model Analyzer: input error for CMAX and Partial AUC
Hi, This is a bug. The bug is triggered if you try to calculate partial areas and some of the subjects don't have enough measur...
2ヶ月 前 | 1
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Jump species quantity then stay constant
I don't yet understand what your goal is. Can you provide more details on what behavior you want? A concrete example illustratin...
4ヶ月 前 | 1
how to understand and set the constant and boundarycondition properties.
If the Constant property of a species is true, then the value of that species cannot change at simulation times > 0. At time = 0...
4ヶ月 前 | 0
Unit conversion in Simbiology model
Hi, I'm a developer on the SimBiology team. I'm not sure I fully understand your question, but I'll try to answer based on my cu...
5ヶ月 前 | 0
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How to find the sensitivity of the model output if it is a variable for repeated assignment?
The solution I generally recommend is to calculate the sensitivities yourself by manualy differentiating the repeated assignment...
5ヶ月 前 | 0
how to handle the error 'Levenberg-Marquardt algorithm the Jacobian at BETA0 is ill-conditioned'?
It's difficult to say exactly what's going on without seeing your model and data. One explanation is that your model is not appr...
5ヶ月 前 | 0
How to write code for repetitive process?
If I understand your question, you're asking how to create an event that fires repeatedly. I'm not sure exactly what kind of rep...
5ヶ月 前 | 0
Investigating the effect of two covariates to an estimated parameter
Yes, you can specify multiple covariates. An example covariate expresssion would be exp(theta_fixed + theta1*covariate1 + theta2...
5ヶ月 前 | 0
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Why are population estimated parameters values the same as individual estimated parameters values?
Without the actual project, it's difficult to say what's going on. So let me offer some potential explanations for what you're s...
5ヶ月 前 | 0
How to simulate a drug concentration-time curve with confidence intervals?
Where did this plot come from? Without more information, we won't be able to say exactly how it was created. However, it looks ...
6ヶ月 前 | 0
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Oral Dose Not Exhibiting Absorption/Bioavailability in Simulation
Copying the answer from the comments: "Just wanted to update that I figured out a solution to the problem! I ended up creating a...
7ヶ月 前 | 0
Simbiology Previous Initial Parameters
The results of a fit only contain the outputs of the fit itself (for example, parameter estimates). If you want to reproduce tho...
8ヶ月 前 | 0
Transfer parameter estimates to model
For item #1, the SimBiologyModelAnalyzer app allows you to create a variant of the parameter estimates (see here for more detail...
8ヶ月 前 | 2
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Encoding conditional assignments in SimBiology
Hi emjey, I see this problem solved in one of two ways: 1) Take advantage of true/false getting converted to 1/0 in mathematic...
8ヶ月 前 | 1
How do I fit multiple curves at once, sharing some fitting parameters and floating others?
Are the 6 different analyte concentrations something you want to specify or estimate? Both of these these are possible in SimBio...
8ヶ月 前 | 1
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Different dilution effect on the kinetics of a time course
Hi Luis, Because you don't use units in your model, SimBiology interprets the reaction rates to have dimensions of amount/time....
9ヶ月 前 | 0
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Question re/ matlab.codetools.requiredFilesAndProducts function.
I'd first check the "Certain" field of the pList output to see if these products have been marked as definitely or just possibly...
9ヶ月 前 | 0
changes the the simulated mass with changing the absolute and relative tolerance
First, a disclaimer. I'm a SimBiology developer, not a modeler. So I'm most knowledgable about what is technically possible with...
9ヶ月 前 | 0
different event functions for the same species
The problem is that you have two conflicting mathematical definitions of Fw. You are trying to set it with both a repeated assig...
10ヶ月 前 | 0
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How do I fix a duplicate name error ?
It's hard to know exactly what's going on without more details. Can you share more details? Ideally, can you share the project a...
11ヶ月 前 | 0
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A variable is specified by more than one assignment rule
It sounds like you have an ill-defined problem with an algebraic loop. Specifically, A_Total is a function of a, but a is a func...
11ヶ月 前 | 0
Data fit to observables
Hi Justine, I just tried this in R2023b, and I was able to select an observable in the mapping for the response. I'm attaching ...
11ヶ月 前 | 0
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Fitting model on a Debian machine
If you want to fit a SimBiology model using a command-line function, you can directly call sbiofit (or sbiofitmixed). This is ex...
11ヶ月 前 | 0
Modeling Mitochondria Voltage depending on the Sodium/Potassium Pumps results in Algebraic loops Error.
Can you share your model? That would allow me to offer more specific advice. (If you're not comfortable posting it publicly, ple...
11ヶ月 前 | 0
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How can I add stoichiometry value in simbiology model builder 2023b ?
I believe your question is similar to this one. Please see the accepted answer there.
11ヶ月 前 | 0
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Dimensional analysis issue because of the function 'log' in the rule
Since your expression is dimensionally correct, you can safely ignore this warning. Note that is an informational warning (as o...
12ヶ月 前 | 0
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