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Rick Paxson

MathWorks

Last seen: 3 days ago |  Active since 2011

Followers: 0   Following: 0

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Professional Interests: Computational Biology, Dynamic System Analysis, ODE Solvers, PDEs

Programming Languages:
Python, C++, C, Javascript, MATLAB, Shell, Objective-C, Fortran
Spoken Languages:
English, Spanish
Pronouns:
He/him

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  • Knowledgeable Level 2
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Answered
When using simbiology, I have a species that calls a function that uses a linear programming solver (glpk) and when I use it, the dosing stops working
I suspect the issue might be with how glpk is getting called. In particular I wonder if it is called synchronously such that the...

1 year ago | 0

Answered
What are the units of data (specifically dose) to be input in sbionca
Hello, This is not your mistake but rather ours. There is a bug with unit conversion in NCA. C_max_Dose is (silently) being r...

1 year ago | 0

Answered
Is .sbproject files accepted by US FDA for IND ectd submission?
Hello Vinu, I am aware of submissions to the FDA in sbproj format from SimBiology. That said, if you are required to submit ...

2 years ago | 1

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Answered
How do I resolve, error in resample ?
Thank you for reporting this. It appears to be a bug in sbioensemblestats. The default interpolation method used requires at lea...

2 years ago | 1

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Answered
Accessing PK library models from code
Hello, Yes you can use PKModelDesign to construct simple PK models from the command line (i.e. in code). I'll refer you to t...

4 years ago | 1

Answered
What does this message mean, "CVODES returned -4..." ?
Hello, First let me comment on the message you are seeing. 'h' is the time step the ODE solver, in this case CVODES, is attemp...

4 years ago | 1

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Answered
Problems with SimBiology analysis of BioModels files.
Hi - Unfortunately it is often the case that models have no units specified. You might be able to figure out what the units are ...

5 years ago | 0

Answered
Fatal error during SBML import
Hello, It appears that the SBML file you are trying to load is not valid because many of the species are missing the Compartme...

5 years ago | 0

Answered
Dimensional checking in Simbiology
Hi, I am sorry you have having trouble running these examples. Let me try to help and maybe you can answer some questions fo...

6 years ago | 2

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Answered
Convert SimBiology model to script format.
There are a couple of ways of doing this from the MATLAB command line. Neither one produces a script from the model though. ...

10 years ago | 1

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Answered
Unit conversion in Simbiology
Hello Omar, SimBiology can operate in one of two modes when it comes to Units conversions and checking dimensions. By default ...

13 years ago | 0

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Answered
How do I add the reaction kinetics law for a pseudo-first order rate reaction?
Hi, The way to do this is to directly specify the reaction rate for the reaction rather than specifying a kinetic law. That is ...

14 years ago | 1