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Feeds
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...
9 Tage vor | 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 ...
17 Tage vor | 0
| akzeptiert
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...
17 Tage vor | 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...
21 Tage vor | 0
| akzeptiert
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.
22 Tage vor | 0
| akzeptiert
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...
etwa ein Monat vor | 0
| akzeptiert
Using simFunction Object in Simbiology when my stoichiometry depends on a model parameter
The error you report is intended to communicate that SimBiology does not allow the following the following combination of condit...
etwa ein Monat vor | 0
| akzeptiert
Sensitivity analysis in Simbiology
SimBiology does not currently support local sensitivity analysis on models with active events. One potential workaround is to pe...
4 Monate vor | 0
Apply fmincon nonlinear parameter inequality constraints into SimBiology for parameterization
The estimation program in the SimBiology Model Analyzer app uses the command-line function sbiofit. Unfortunately, this function...
5 Monate vor | 0
| akzeptiert
Parameter unit setting problem
Hi Bohao, SimBiology's units functionality does not support embedding numeric multipliers like 10^15. And even after you addres...
5 Monate vor | 0
| akzeptiert
Categorical covariates in parameter estimation
Do you want to do nonlinear regression or nonlinear mixed effects (NLME)? The feature Joe mentions in his comment only applies t...
6 Monate vor | 0
| akzeptiert
How to solve this error
(Copying answer from comments.) The problem was that one value of DV1 was 0, so the resulting weight was infinite. One thing I ...
6 Monate vor | 0
Fit simbiology model to cmax or AUC data
One option would be to add Cmax to your model as an observable. Then, you can include Cmax in your fit the same way you fit to a...
6 Monate vor | 3
Change in simulation output with changing in the units of stop time
If you have constructed your model correctly, I expect the results of the two simulations to be equivalent but not numerically i...
7 Monate vor | 0
| akzeptiert
Failure of dimensional analysis for a rule
When you enable dimensional analysis (or unit conversion) in SimBiology, fractional exponents can only be applied to dimensionle...
7 Monate vor | 0
| akzeptiert
Dimension of the species
In SimBiology, a species is intended to represent a entity (like a protein or some other chemical) that exists in a physical com...
7 Monate vor | 0
unit dimensional analysis problems
If your reactions are using mass action kinetics, then the units you report for "kf" are not correct. For the first reaction, th...
7 Monate vor | 0
Dimensional analysis fail for reaction on simbiology
It looks like this was answered in a comment on the question. I'll paste it here for completeness: The first term of the rate r...
7 Monate vor | 0
How do I open or convert a .sbproj.zip file in Simbiology?
An .sbproj file is a specially formatted .zip file. So perhaps whatever you're using to download the file recognized it as such ...
8 Monate vor | 0
Why isn't Stoichiometry Math working in Simbiology?
It sounds like you are trying to import an SBML file that uses the stoichiometryMath element defined in SBML level 2. Unfortunat...
8 Monate vor | 0
| akzeptiert
Error when calculating AUC in simbiology
In case anyone runs into a similar issue and is looking for the answer, I looked at Brett's model and made a few recommendations...
9 Monate vor | 0
| akzeptiert
Modeling dissociation using Hill function provides misleading results
Similar questions come up periodicaly. I suggest looking at my previous responses here and here. The bottom line is that both o...
9 Monate vor | 1
| akzeptiert
How to overcome the error "Unrecognized field name \stopTimeUseConfigset\." when simulating a simbiology model on a previous Matlab version?
SimBiology doesn't currently support opening newer projects in older versions. (This is called forward compatibility.) In fact, ...
9 Monate vor | 0
| akzeptiert
Simbiology in app model simulation
I think the problem comes down to the way that calculate_KTC depends on time. This function has a maximum around a time of 1. If...
10 Monate vor | 0
| akzeptiert
Adding erf(x) to a rule in Simbiology
You can call almost any MATLAB function within your rules (or in any expression in SimBiology). So, the expressoin "y = erf(x)" ...
11 Monate vor | 0
| akzeptiert
Unable to locate and load .mat file after compiled into standalone file in App Designer
I suspect the problem is that you need to include in your app additional supporting function files that are required by the SimF...
11 Monate vor | 1
| akzeptiert
Unites of the transfer rates
Did you enable UnitConversion for your model? If not, then you will need to manually update your entire model to use consistent ...
11 Monate vor | 0
Occasionally when creating a SimFunction, SimBiology returns a failure to compile error, what causes this?
Hi Craig, My guess is that this is some sort of bug. But it's hard to say definitively without reproduction steps. If you can c...
11 Monate vor | 0
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error message - Unrecognized function or variable ‘rec’.
Your NCA program is erroring because of problems with the first row in your data. If you change that first ID from 0 to 1, and t...
12 Monate vor | 1
Adding equations as a function of time
I suspect the problem is with "Time". SimBiology requires you to reference time as "time" (all lowercase). If that doesn't fix ...
etwa ein Jahr vor | 0
| akzeptiert