Respondida
MATLAB (R2012a) with SimBiology installed won't run biograph (Cannot find a license for SR_Bioinformatics_Toolbox.)
Hi Phil, First off, I'm sorry to hear about all the hassles you and your students are having. It sounds to me like you hav...

más de 12 años hace | 0

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SimBiology Diagram & Repeated Assignment Rules
As of the current release (R2013b), SimBiology diagrams only shows species, compartments, and reactions. As you suggest, the onl...

más de 12 años hace | 0

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Simbiology Error: "Error evaluating rate rule (............) at t=0.0000"
Hi Cansu, This message means that your rate rule could not be evaluated because it is invalid for some reason. This could hap...

más de 12 años hace | 0

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What's the problem that makes my MATLAB busy?
You interrupted ode45, the function that solves your ODEs. This means MATLAB was still busy integrating your ODEs. It can tak...

más de 12 años hace | 0

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Simbiology Error- Invalid assignment syntax or parse error for rule
Hi, When you write a rate rule in SimBiology, you don't write the d/dt on the left-hand side of the equations. For example, t...

más de 12 años hace | 0

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How exactly does SimBiology treat model objects?
Hi Sam, As you discovered, a SimBiology model is a "handle" object. This means that your variables model and model2 both refe...

más de 12 años hace | 2

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Simbiology fails to load dataset, model fit and simulation
Hi Peter, You can try increasing the amount of memory allocated to Java. You'll find instructions <http://www.mathworks.com...

más de 12 años hace | 0

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Why can't I load Simbiology data?
Hi Ted, It's possible that the SimBiology project was corrupted. I think your best bet is to contact Tech Support and see if ...

casi 13 años hace | 0

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ベクトルのスケーリング
入力したベクトルの大きさを１にしてください。

casi 13 años hace

Respondida
Upper limit or saturation
Hi Peter, The "right" way to implement an upper limit or saturation really depends on how you want to physically model the ef...

casi 13 años hace | 0

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How to change ode solver settings for a Simbiology model?
Hi Zoltan, Yes, there is a way to change several options related to the ODE solver, including the absolute and relative toler...

alrededor de 13 años hace | 0

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Problem starting Simbiology in MATLAB
Hi Akintunde, This problem generally means you have an inconsistent version of files in your installation. Could you have ins...

alrededor de 13 años hace | 0

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Non negative values for species in Simbiology
Hi Kieran, I'm just going to paste an answer to a similar question from a MATLAB <http://www.mathworks.com/matlabcentral/news...

alrededor de 13 años hace | 1

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the desktop could not fit the 3 compartment PK model.
Hi Yang, When you specify that your model has linear{Cl,V} in the Central compartment, then a parameter named "Cl_Central" sh...

alrededor de 13 años hace | 0

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Parameter estimation with sbioparmestim, using experimental data replicates or averages / standard deviations
Hi, sbioparamestim does not currently support fitting data that contains replicate measurements. To use sbioparamestim, you w...

más de 13 años hace | 0

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How do I do parameters Estimation in SimBiology using Optimization toolbox?
Hi, Calling lsqnonlin via sbioparamestim uses slightly different default options than calling lsqnonlin directly. The referen...

más de 13 años hace | 0

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simbiology parameter estimation with dosing schedule
Let me go ahead and take a stab at answering this. With additional clarifications, I can offer a more tailored example. You u...

más de 13 años hace | 0

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

más de 13 años hace

Resuelto

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

más de 13 años hace

Resuelto

Is my wife right?
Regardless of input, output the string 'yes'.

más de 13 años hace

Respondida
Numerically accuracy problem in solving ODEs when subtracting two close large numbers
First off, you mention a parameter nu, but it's not referenced anywhere in your equations. I'm guessing it is a parameter that i...

más de 13 años hace | 0

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How can i define a parameter with if condition?
Hi, The short answer is that SimBiology cannot *directly* use "if" or "switch", but you *can* use them *indirectly* by puttin...

más de 13 años hace | 0

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Individual or population fit in simbiology
Hi, First off, I now see you posted a similar follow-up comment on a previous question. I don't get notified of such replies,...

más de 13 años hace | 0

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Get data through a currently empty link
Hi Xiaoqing, If you have SimBiology, you already have the data. Just load it from the file pheno.mat, as described in this ex...

más de 13 años hace | 0

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How to fit kinetic law parameters to a multiple data set?
Hi, It is possible to estimate a single set of parameter using multiple experiments using the "individual fit" estimation met...

más de 13 años hace | 0

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Why do i get a task error message that "CAT Arguments dimensions are not consistent" in a simulation task?
Hi Martin, I believe this is due to a bug that was fixed in MATLAB R2011b. Is this the only reaction in your model? Becaus...

más de 13 años hace | 0

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ODE solver with Heavaside function
Hi, You need to take special care when your system of ODEs contains a step change, like a Heaviside function. These can be ha...

casi 14 años hace | 0

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Matlab ode solver and Simbiology gives different results on the same model
Hi, If you are using MATLAB version R2012b, you can get a text version of the ODE equations and see where they differ from yo...

casi 14 años hace | 1

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How can I set the step size to a constant value for the ode solver in simbiology?
Hi Scott, SimBiology does not support a true fixed step solver, but if your real goal is to have simulation at specific times...

casi 14 años hace | 0

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How to solve a compiler related problem to make a Parameter Fit run
Hi Martin, My guess is that MATLAB has still not been properly set up for use with Xcode. Were you following the instructions...

casi 14 años hace | 0

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