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Florian Augustin

Last seen: Today Active since 2018

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Answered
Why the color of bar plot of elementary effects is so light?
Hi, There is a way to change the color, but I would like explain those bar plots a little. They color-code a histogram of the s...

17 days ago | 1

| accepted

Answered
How to plot a single answerName with confidence intervals for model predictions?
Hi Valentina, maybe the function selectivePlotCI from this MATLAB Answers post could help. With this function, you can select w...

23 days ago | 1

| accepted

Answered
Variants in SimBiology debugger
Hi Abed, Yes, you can specify configuration set, doses and variants when starting the debugger. This is currently undocumented,...

3 months ago | 0

| accepted

Answered
Help with Units of species and simulation run error messages
Hi Christos, the SimBiology model uses a custom unit "nmolar". Custom units are currently (R2022b) not bundled with SimBiology ...

3 months ago | 1

Answered
sbiopredictionci with bootstrap method dealing with data with NaN
Hi Jesse, It looks like you used optimization options for particle swarm optimization when you used lsqnonlin to estimate the p...

3 months ago | 0

Answered
selecting and re-assignment of non-existing parameters in SimBiology does not trigger any warning?
Hi, sbioselect returns all objects in the SimBiology model that matches the search query; in your case all model components who...

4 months ago | 0

Answered
Errors about the species in different compartments have different unit
Hi, Just to follow up on emjey's comment. The error message indicates that some of your reactions are dimensionally inconsisten...

4 months ago | 0

Answered
How to modify the plotting layout after sbiopredictionci
Hi Jesse, it sounds like the helper function selectivePlotCI from this MATLAB Answers post could help. The function selectivePl...

5 months ago | 0

| accepted

Answered
simbiology duplicates sbml id tokens when "duplicate" is used
Hi Jim, Thank you for reporting this bug. A fix is included in R2022a Update 3. The releases R2021b Update 4, R2021a Update 7, ...

7 months ago | 0

| accepted

Answered
sbml export does not appear to export modifiers
Hi Jim, SimBiology interprets a list of modifier species in an SBML document as catalysts. When importing a reaction with speci...

7 months ago | 0

| accepted

Answered
Time-dependent Growth Rate of Species in Model
Hi Marco, you may be able to use SimBiology Events to switch between reaction rates. The general idea would be as follows: Def...

8 months ago | 1

| accepted

Answered
During SSA simulation of sbml model using sbiosimulate, observables are not saved.
Hi Torkel, The model in the SBML file defines assignment rules, which are imported into SimBiology as repeated assignment rules...

11 months ago | 0

Answered
Import XML File to Simbiology
Hi Aditi, The SBML model in the supplemental material of the paper you are citing imports without error on my computer in MATLA...

12 months ago | 0

Answered
Using 'time' in observable expressions
Hi Abed, when evaluating expressions of observables, SimBiology first tries to determine whether the result is a scalar value o...

1 year ago | 0

| accepted

Answered
Can anyone help me in fitting a SVEAIHR epidemic model to the observe data please?
Hi Sonam, Following up on Steven's comment, here are a few general links that may be helpful for how to fit models to data in S...

1 year ago | 1

Answered
MPGSA questions regarding plot visualizations and log-distributed sampling
Hello Abed, You can use the name-value pair Parameters in the plot or histogram methods to selectively visualize GSA results. Y...

1 year ago | 0

Answered
Pre-equilibrating models when performing global sensitivity analyses
Hi Abed, You can chain a steady-state analysis and a global sensitivity analysis. For this you first have to run sbiosteadystat...

1 year ago | 0

| accepted

Answered
Formatting for 'addobservables'
Hi Shaun, expressions of SimBiology observables can only reference names of components on the model, or functions on the Matlab...

1 year ago | 1

| accepted

Answered
How to organize plot of sbiosobol results
Hello Jesse, You can use the name-value arguments "Parameters" and "Observables" of the plot and bar functions to specify which...

1 year ago | 1

| accepted

Answered
Simulate different dosing amounts with a schedule dose
Hello, parameterized schedule doses are currently not supported (Matlab release R2021b), only repeat doses can be parameterized...

1 year ago | 1

| accepted

Answered
Export scan's results to excel using MacOS
Hello, You should be able to export the simulation results on Mac as well as on Windows. Which version of Matlab are you using?...

1 year ago | 1

| accepted

Answered
How to align diagram blocks, species, etc.?
Hi, Unfortunately, the alignment tools are not available in the SimBiology Model Builder app in Matlab R2020b. Alignment tools ...

1 year ago | 0

Answered
Global sensitivity analysis: Can the first order effect be greater than the total order effect?
Hi, You are right that first order Sobol indices are always smaller than or equal to the corresponding total order Sobol indic...

1 year ago | 1

Answered
Exporting SimBiology model with custom units
Hi, Thank you for reporting this issue. There is a bug in sbmlexport, it should be able to export your custom unit. We are loo...

1 year ago | 0

Answered
Export SimBiology HTML and diagram
Hi, as of SimBiology (R2021a) exporting the model to HTML is only supported in the SimBiology Model Builder app. Functionality ...

1 year ago | 0

Submitted


Global Sensitivity Analysis for SimBiology
Compute Sobol indices and perform a multiparametric global sensitivity analysis (MPGSA) of model responses.

2 years ago | 12 downloads |

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Answered
Parameter transformation in sbiofitmixed
Hi Ben, An alternative idea would be to compute a confidence interval for the fixed effects (for example, estimatedValue + [-1....

2 years ago | 0

Answered
Handling incorrect parameter values in sbiofit and sbiofitmixed
Hello Czakó, Unfortunately, it is currently not possible to stop model simulations in SimBiology programatically. A better erro...

2 years ago | 0

| accepted

Answered
Combine two models in simbiology, where one of them is a species.
Hi Sudharsana, It sounds like the copy-paste tool in the graphical user interface for SimBiology could help in your case. To op...

2 years ago | 1

| accepted

Answered
Mathematical calculation required for how matlab simbiology performs local sensitivity analysis for a set of ODEs in simbiology model analyzer. (https://www.mathworks.com/help/simbio/ug/perform-sensitivity-analysis-for-tumor-growth.html)
Hi Darshna, Here is a link with some information for how to interpret the sensitivity (time/bar) plots. The reported values, an...

2 years ago | 0

| accepted

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