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changes the the simulated mass with changing the absolute and relative tolerance
Hi, The mass of the tissue under the effect of a drug goes to very small values, i.e. in the order 10^-12, which is unrealistic...

2 months ago | 1 answer | 0

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answer

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species go to negative values
Hi I developed a model in Simbiology simulating the effect of a drug on a tissue mass. Sometime, I received a message that the...

2 months ago | 2 answers | 0

2

answers

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different event functions for the same species
Hi, I developed a model in Simbiology in which Fw is a parameter as a function of mass. The mass varies with time. I wa...

3 months ago | 1 answer | 0

1

answer

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A variable is specified by more than one assignment rule
Hi, I have a species A_Total = a + b + c, where a, b and c are other species in the same compartment. I have to set a boundary...

3 months ago | 1 answer | 0

1

answer

Question


Lognormal distribution parameters mu and sigma
Hi, I want to generate a lognormal distribution for a set of data measurments using Simbiology model analyzer. I need to inser...

3 months ago | 2 answers | 0

2

answers

Question


Extracting Histogram data for plot generation
Hi, I generated a sample of lognormal distribution using Simbiology analyzer. I want to extract the data of the samples' hist...

4 months ago | 2 answers | 0

2

answers

Question


Dimensional analysis issue because of the function 'log' in the rule
Hi! When I run a simulation in my model developed in Simbiolog, I received the following warning message: "Unable to perform d...

4 months ago | 1 answer | 0

1

answer

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Sensitivity analysis in Simbiology
Hi, I want to perform sensitivity analysis for my Simbiology model. I have encountered the following error. Would you please ex...

7 months ago | 1 answer | 0

1

answer

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Change in simulation output with changing in the units of stop time
Hi, I defined units for all parameters in my Smbiology model and the model runs simulations. The unit of time for all paramet...

10 months ago | 1 answer | 0

1

answer

Question


Failure of dimensional analysis for a rule
Hi, I have a rule y=x^0.35. x has the dimension of mass. An error message showed up saying that the exponent must be an integer...

10 months ago | 2 answers | 0

2

answers

Question


Dimension of the species
Hi, In my model in Simbiology, it has a species with dimension of (molecules/time) and connected with a release rate reaction. ...

10 months ago | 1 answer | 0

1

answer

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Adding erf(x) to a rule in Simbiology
Hello, I have a rule in my model Y(x) = x, for example, in Simbiology app. I want o add the erf(x) for Y(x) to run a simulati...

1 year ago | 1 answer | 0

1

answer

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Simulation error in Simbiology
Hi, I checked the tumor growth model in the library of Simbiology. I noticed if I increase the drug concentration to very high ...

1 year ago | 1 answer | 0

1

answer

Question


Error message regarding CVODES
Hi, While I was running a simulation in a model I developed in Simbiology, I recieved the following error: CVODES returned -...

1 year ago | 0 answers | 0

0

answers

Question


Unites of the transfer rates
Hi, The simulations of my model differ at different unites of transfer rates. For example, the following are plots for the same...

1 year ago | 1 answer | 0

1

answer

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Adding equations as a function of time
Hi, Could you please help me in solving the following: I set a trigger event in Simbiology that when 'X' species exceeds a cer...

1 year ago | 1 answer | 0

1

answer

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The fluctuation of the content of a species between negative and positive
The model I am developing in Simbiology includes a drug species in which large repeated amounts of doses are injected. It has no...

1 year ago | 1 answer | 0

1

answer

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What does a dashed line in simbiology mean?
I found a reaction connecting between two species_1 and species_2 in a simbiology model. There is a dashed line connecting betwe...

1 year ago | 2 answers | 0

2

answers

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Adding and configuring events
In simbiology, there is an event trigger that configure events at a SPECIFIC TIME. In my model, the content of m species is numb...

1 year ago | 1 answer | 0

1

answer

Question


How to assign a transfer rate which changes with time in Simbiology?
I need to connect between two species in Simbiology. The transfer rate (k) in the reaction is an equation which depends on time ...

1 year ago | 1 answer | 0

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