Questions tagged [modeling]
The modeling tag has no usage guidance.
12
questions with no upvoted or accepted answers
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Book Recommendation: Analysis and design of mechanistic models - such as pharmacokinetics or hydrology models
I have been looking at an interesting book "Pharmacokinetic-Pharmacodynamic Modeling and Simulation" by Peter Bonate on pharmacokinetic models: the models of how medical drugs work their way through ...
2
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Limitations of particle in cell method for high density plasma
Are there any limitations of particle in cell (PIC) method for high density plasma? To be more specific, is modeling of a narrow channel of high density plasma possible or are there any limitations ...
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Combining many probabilities, modifying, seeking general formula
CONTEXT
I need to combine the probability of occurrence of many thousands of events for millions of individuals (trees) in an agent-based/individual-based simulation model developed in NetLogo (agent-...
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34
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sequence\ flow analysis with score- beginner data scientist
I'm trying to create a model that will give me the best parts that lead to a maximized score out of a sequence.
my data(spark rdd) looks like this:
("dan", "john", "john", "guy", 45)
("john", "dan",...
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modelling surface coverage of spheres with spheres of varying size distribution
Suppose you have spheres (e.g. cells). You add particles to the suspended cells which are smaller but do have a size distribution rather than a single diameter. The particles stick to the cells. I ...
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How to find active region in treepartition Matlab object
I am trying to identify a non-linear plant using the identification toolbox of Matlab.
In particular I would like to identify a non-linear arx model, where the nonlinearities are expressed by means of ...
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112
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How to get mathematical model from a data set with MATLAB
I have some values imported from excel about the annual sell of a product, with 3 var:
month,
price,
sold items
I have seen how to plot a chart using curve fitting tool but I need to define a ...
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110
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Conditions for always positive gradient of heat field in evolutionary thermo-elastic system
I am investigating stability and convergence of series of approximations for coupled thermoelasticity problem yielded by one-step recurrent time-integration scheme.
I've managed to show that the one-...
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Help in solving Quintessential scalar field using Steep Potential in cosmology
I am attempting to solve the differential equation $\ddot\phi + 3H\dot\phi + \dfrac{dV}{d\phi} = 0.$
For $V(\phi) = V_{0}e^{-\lambda\phi}$, where $V_{0} = 0.7$, $\lambda = 0.1$ and $V'(\phi) = \dfrac{...
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43
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Technical term for getting stuck at local optimum when building a mechanistic model
I'm looking for a technical term or literature that describes a problem when creating mechanistic computer models.
By mechanistic computer model, I mean a computer model of a physical system where the ...
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42
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What is an integrated modelling tool?
In this document they describe their code as an integrated modelling tool. I am trying to understand how this is different from a regular modelling tool? Most codes include different modules that do ...
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Why does COMSOL treat a well as a rectangular cube?
I'm trying to learn COMSOL for a graduate research project and am struggling through a flow and transport in 3D tutorial. As such I'm walking through my boundary conditions and trying to figure out if ...