Answered

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...

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...

2 years ago | 0

Question

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...

2 years ago | 4 answers | 0

Question

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...

2 years ago | 1 answer | 0

Answered

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)...

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)...

2 years ago | 0

Answered

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...

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...

2 years ago | 0

Question

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...

2 years ago | 3 answers | 0

Answered

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...

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...

2 years ago | 0

Question

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...

2 years ago | 2 answers | 0

Answered

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...

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...

2 years ago | 0

Question

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...

2 years ago | 3 answers | 0

Answered

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...

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...

2 years ago | 0

Question

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...

2 years ago | 2 answers | 0

Question

Can't save my simbiology model. "Access is Denied" Work lost

I'm building a simbiology model graphically. I saved it several times during my work session. Then, when I tried to save it (v...

3 years ago | 0 answers | 0

Question

Fitting simulink model with optimization toolbox?

I don't currently have Simulink Design Optimization. I'm using optimization and global optimization toolboxes to fit a simuli...

3 years ago | 1 answer | 1