Frage

Is it possible to get the group (that is the subject) number in sbiofit to do a lookup?
If I'm fitting using lsqnonlin, is there a matlab script function that returns the group number? The idea is to allow use of co...

mehr als 5 Jahre vor | 3 Antworten | 0

3

Antworten

Frage

Fitting multiple dependent variables with time less than zero
Suppose I have a therapeutic d that modulates an endogenous substance e. I've a pd model of e (for the sake of argument, a cons...

mehr als 5 Jahre vor | 1 Antwort | 0

1

Antwort

Frage

The order of plotted things vs the order of the legend
I'm using patch to show a confidence interval in a matlab plot as a colored region. Assume vectors of time values, tv, and mean...

mehr als 5 Jahre vor | 1 Antwort | 0

1

Antwort

Frage

Is there an object associated with simulate task in the simbiology desktop that contains the name of the task?
I use State_Subplots in "Plots to Generate" in simbiology simulation tasks a lot. "Plots to Generate" allows scripts to be used...

mehr als 5 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
How To Clear Java Heap Space Memory????
jonathan wrote: "years are passing on this one folks. hello? Mathworks please address this." I'm thinking that maybe eight year...

mehr als 5 Jahre vor | 0

Frage

nlme fitting error for covariate in popPK model
I select a column (WT) in my dataset as a covariate. When I set up the covariate in the nlme fitting page (interactively, not ...

etwa 6 Jahre vor | 1 Antwort | 0

1

Antwort

Frage

Can I create a variant that captures all current parameter, species and compartment values?
So I'd like to be able to do something like this: sbr = sbioroot; % Get the root object lastn = length(sbr.m...

etwa 6 Jahre vor | 1 Antwort | 0

1

Antwort

Frage

Not finding info on arrays of variant objects
The help page on <https://www.mathworks.com/help/simbio/ref/variantobject.html?searchHighlight=variant%2520array&s_tid=doc_srcht...

etwa 6 Jahre vor | 1 Antwort | 0

1

Antwort

Frage

Better understanding of variants sought (also project files)
If I create a model using the dashboard, including variants(suppose 2, 'var1', and 'var2'), and save the model, the variants are...

etwa 6 Jahre vor | 1 Antwort | 0

1

Antwort

Frage

Could Simbiology simulations have a preload function?
In Simulink, one can write preload scripts that run upon opening a model or upon any number of other actions. In Simbiology...

mehr als 6 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
How To Clear Java Heap Space Memory????
This error kept me from publishing completed work. That is, Matlab did the analysis, but publish could not complete for the scri...

mehr als 6 Jahre vor | 1

Frage

Dimensional analysis with math functions flags a warning
I'm getting a warning when I run with dimensional analysis. _ *Cannot perform dimensional analysis for rule 'rule_13' becau...

mehr als 6 Jahre vor | 1 Antwort | 1

1

Antwort

Beantwortet
Shorthand for sbioselect/set
So I decided to write the code and am embarrassed with how simple it is. But a question arose. Here's the code: function ...

mehr als 6 Jahre vor | 0

Frage

Shorthand for sbioselect/set
In running simbiology models using scripts, one often wants to change parameter values. For a single parameter (e.g. "p1") we c...

mehr als 6 Jahre vor | 2 Antworten | 0

2

Antworten

Frage

sbioloadproject or sbiosaveproject loses graphical information
If you Google "Why did I become a biologist?" most answers include "I loved science and hated math". One of the key element...

mehr als 6 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
Variable Stoichiometric Coefficients in SimBiology?
This is an old thread, but I wanted to bounce this off the community. It seems that you can fool the model. If the stoichiomet...

mehr als 6 Jahre vor | 0

Beantwortet
persistent variable precludes simbiology acceleration, how can I keep an array available in memory
Arthur, Thanks! This is good news. As I wrote above, the "persistent" approach seems to me to be more elegant than "global"...

mehr als 6 Jahre vor | 0

Beantwortet
persistent variable precludes simbiology acceleration, how can I keep an array available in memory
Arthur, thanks for your note and this information. I'm confused, though, because when I had persistent variables, the error mes...

mehr als 6 Jahre vor | 0

Beantwortet
persistent variable precludes simbiology acceleration, how can I keep an array available in memory
Another update. After I closed Matlab (or rather, it closed itself preemptively!), I opened it up again. I was able to use the...

mehr als 6 Jahre vor | 0

Frage

persistent variable precludes simbiology acceleration, how can I keep an array available in memory
In a simbiology model, I use a spline function in a matlab .m function to set the value of a variable parameter. For example, t...

mehr als 6 Jahre vor | 4 Antworten | 0

4

Antworten

Frage

Can I set simbiology repeat assignment rule state to active or inactive using variants?
Using the paradigm similar to that in Dr. Goldspie's insulindemo example, I'm using two rules to set a variable parameter. Let's...

mehr als 6 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
Vector Variables, Preload, and External matlab functions (in m files) in Simbiology
Arthur, Thank you. One of the things I like about Simbiology is that you have some stuff (like fitting, even nlme fitting)...

mehr als 6 Jahre vor | 0

Beantwortet
Vector Variables, Preload, and External matlab functions (in m files) in Simbiology
Answered one question: I CAN use a user-defined function call to get this information into the model. So if I use function...

mehr als 6 Jahre vor | 0

Frage

Vector Variables, Preload, and External matlab functions (in m files) in Simbiology
In a previous question, I asked about how to switch between using an ODE-calculated species value, and a forced function fit. I...

mehr als 6 Jahre vor | 3 Antworten | 0

3

Antworten

Beantwortet
Switching a species between an ode evaluation and a specified function (repeat assignments)
Thanks, Arthur. For others, Arthur's insulindemo example is very helpful: a lot of useful ideas. You can look at how Arthur h...

mehr als 6 Jahre vor | 0

Frage

Switching a species between an ode evaluation and a specified function (repeat assignments)
Most of the models in Simbiology will be based upon interacting ODEs. Insulin and glucose, in diabetes models, for example. In...

mehr als 6 Jahre vor | 2 Antworten | 0

2

Antworten

Beantwortet
must I use events for discontinuous functions?
Arthur, this is spot on. I had gotten pretty accurate results by setting the max step-size to 1, but that did lower the numerica...

mehr als 6 Jahre vor | 0

Frage

must I use events for discontinuous functions?
A previous question asked about input a function of time. A function y = exp(-k*t) was input, with errors. The answer from Mat...

mehr als 6 Jahre vor | 3 Antworten | 0

3

Antworten

Beantwortet
Dimensional checking in Simbiology
Ricardo, Thanks for your prompt reply. In order: 1)Opening the model in gPKPDsim did indeed allow the simulation. I guess...

mehr als 6 Jahre vor | 0

Frage

Dimensional checking in Simbiology
I am installing the gPKPDtoolbox as described in the reference below. I'm trying to run an example from the examples that downlo...

mehr als 6 Jahre vor | 2 Antworten | 0

2

Antworten