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Question

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...

24 dagar ago | 1 answer | 0

### 1

answerQuestion

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...

ungefär en månad ago | 2 answers | 0

### 2

answersQuestion

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...

ungefär 2 månader ago | 1 answer | 0

### 1

answerQuestion

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...

2 månader ago | 1 answer | 0

### 1

answerQuestion

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...

2 månader ago | 2 answers | 0

### 2

answersQuestion

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...

3 månader ago | 2 answers | 0

### 2

answersQuestion

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...

3 månader ago | 1 answer | 0

### 1

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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...

6 månader ago | 1 answer | 0

### 1

answerQuestion

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...

9 månader ago | 1 answer | 0

### 1

answerQuestion

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...

9 månader ago | 2 answers | 0

### 2

answersQuestion

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. ...

9 månader ago | 1 answer | 0

### 1

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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...

ungefär ett år ago | 1 answer | 0

### 1

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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 ...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

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 -...

ungefär ett år ago | 0 answers | 0

### 0

answersQuestion

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...

ungefär ett år ago | 1 answer | 0

### 1

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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...

mer än ett år ago | 1 answer | 0

### 1

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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...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

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...

mer än ett år ago | 2 answers | 0

### 2

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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...

mer än ett år ago | 1 answer | 0

### 1

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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 ...

mer än ett år ago | 1 answer | 0