# Rebeca Hannah Oliveira

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**Content Feed**

Question

What makes the residual table have NaN values?

I am fitting a model (15 observables) to experimental data on Simbiology using Particle Swarm Optimization and a pooled fit, to ...

1 month ago | 0 answers | 0

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answersQuestion

How to select which parameters will be optimized in a model?

I am trying to do a simple optimization problem, but keep running into an error. The basic idea is shown in the code below. %...

2 months ago | 1 answer | 0

### 1

answerQuestion

How to move around subplots generated by sbiopredictionci?

I don't know if I accidentally changed some plotting configuration, but in the past weeks I have been having an issue with the s...

3 months ago | 1 answer | 0

### 1

answerQuestion

Is there a way to set UseParallel to true directly on Simbiology Model Analyzer for performing fitting with global solvers (e.g., particleswarm)?

Is there a way to set UseParallel to true directly on Simbiology Model Analyzer for performing fitting with global solvers (e.g....

3 months ago | 1 answer | 0

### 1

answerQuestion

How to fix issue with error using surf: Z must be a matrix, not a scalar or vector

How can I fix the code to avoid the error: error using surf: Z must be a matrix, not a scalar or vector I tried converting it t...

4 months ago | 1 answer | 0

### 1

answerQuestion

Is there a way to combine plots generated in simbiology model analyzer into a single figure to export?

I am using the Local Sensitivity on simbiology to generate results, and I'd like to have a single figure with the subplots gener...

5 months ago | 2 answers | 0

### 2

answersQuestion

Where is data saved when the following message shows up: Out of memory. Program data exceed 2 GB and cannot be saved using the default MAT-file

I ran a sobol analysis through simbiology on a large number of samples, and got the following message: Severity Message error ...

6 months ago | 1 answer | 0

### 1

answerQuestion

How to overcome the error "Unrecognized field name \stopTimeUseConfigset\." when simulating a simbiology model on a previous Matlab version?

I saved the my last version of a simbiology model on Matlab R2023a, and when trying to simulate the model on Matlab R2022a it re...

8 months ago | 1 answer | 0

### 1

answerQuestion

Is there an issue with exporting Simbiology model components to Excel on Matlab R2023a?

I recently downloaded Matlab version R2023a, and for some reason I can't export Simbiology model components to Excel using the E...

11 months ago | 0 answers | 0

### 0

answersQuestion

Is it possible to set all species units at the same time?

Is there a way on simbiology Model Builder to set the unit of all species at the same time? For example, something like an optio...

11 months ago | 1 answer | 0

### 1

answerQuestion

How to define observables units in simbiology Model Builder?

I want to simulate an observable which is dimensionless (eg: [S]/max [S]) , and I am using dimensional analysis in Simbiology ap...

12 months ago | 2 answers | 0

### 2

answersQuestion

Converting from hours to seconds on Simbiology

Does the Simbiology Model Analyzer have a simple way of converting data plots from seconds to hours? Like, if I were writing t...

1 year ago | 1 answer | 0

### 1

answerQuestion

How to solve issue with loading project on simbiology (index exceeds number of array elements).

I saved a project on Simbiology yesterday, and the Model analyzer app on simbiology was very slow, so I decided to turn off and ...

1 year ago | 1 answer | 0

### 1

answerQuestion

How to measure the time for a protein to reach 70% of its maximum concentration?

I am using simbiology app. I would like to measure the time taken in the simulation for a protein to reach 70% of its maximum va...

2 years ago | 0 answers | 0

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answersQuestion

How to generate and store 3 sets of values that change every time the loop is ran?

My code is supposed to run inside two loops. The first loop generates two random variables and from them it calculates the value...

2 years ago | 1 answer | 0

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answerSolved

Convert from Fahrenheit to Celsius

Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

3 years ago

Solved

Calculate Amount of Cake Frosting

Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

3 years ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years ago