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Ana Gabriela Guedes


Last seen: 1 year ago |  Active since 2020

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Add string files to a cell array within a loop
Hi!! I am creating a preprocessing fmri pipeline and wanted to ge the names of all the files from each run of a subject in a c...

2 years ago | 1 answer | 0

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Why am I getting unrecognized function or variable 'length' ??
Hi!! I am building a code to create a convolutional neural network but for some reason when I call the function used to train th...

2 years ago | 1 answer | 0

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How to implement the arguments validation in a function correctly?
Hello!! I am writing a code for neural networks where the user can choose if he wants to use a filter, how many layers, the ac...

2 years ago | 1 answer | 0

1

answer

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Solve multiple integrals qith Newton-Cotes formulas
Hi!! I'm trying to compute a biological model and one of the parts of it consists in a multiple integral function I am not being...

2 years ago | 0 answers | 0

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Intersection between 2 symbolic functions
Hey! I have 3 symbolic gaussian function and need to find the intersection between the two Gaussian components on the most ri...

3 years ago | 1 answer | 0

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Question


Detect letters in an image
Hey! I have a text image from where I want to detect the letters 'y' by: select one morphological operation for the purpose ...

3 years ago | 1 answer | 0

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Apply a non defined noise to an image
Hello! I have a user defined function that lets us set some kinds of noise and I want to apply that noise to an image. How can ...

3 years ago | 1 answer | 0

1

answer

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Reconstruct image with coefficients after thresholding
Hi! I have an exercise in which I had to decompose a noisy image at level 2 using the Haar wavelet and then extract the approxim...

3 years ago | 1 answer | 0

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Working with color maps
Hi! Can someone please help me solving the following exercise? I think the way it is written is not very clear and I'm not be...

3 years ago | 1 answer | 0

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Question


Rescale a grayscale image
Hi! I have this input image: CT-MONO2-16-ankle.dcm and I need to read this dicom file and rescale the grayscale image by mappi...

3 years ago | 1 answer | 0

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4D figure with a colormap
Hi! I have an exercise where I have a certain dicom collection input and from there I have to get only 1 of the series (corres...

3 years ago | 1 answer | 0

1

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Question


Delete outliers in each column of a matrix
Hi! I have a matrix in which each line relates to a trial and each column is a specific moment I am analysing. I want to get th...

3 years ago | 2 answers | 0

2

answers

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Try catch to load files
Hi!! I'm writing a program in which I have to load multiple files within a cycle and work with them. The program calls the diff...

3 years ago | 2 answers | 0

2

answers

Question


Apply script to multiple data files and save specific workspace outputs
Hi! I have a script to analyse ECG that I run and gives me multiple outputs, from which I want to save a specific one with a sp...

3 years ago | 1 answer | 0

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Load multiple matlab data files and convert them to text
Hi! I have multiple matlab data files with different names (with ECG data from multiple patients) and I want to load them all ...

3 years ago | 2 answers | 0

2

answers

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Matlab data to ASCII/ MIT files
Hi!! I have a lot of ECG matlab data files I want to analyse but the program I'm using only accepts ASCII or MIT files, how can...

3 years ago | 1 answer | 0

1

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Question


How to filter a signal with a transfer function?
Hi! I have a discrete signal (a vector with many values) I want to filter using a low pass filter but I only have the tranfer ...

3 years ago | 1 answer | 0

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T-offset determination on ECG
Hi! How can I get T wave offset values from an ECG data file? (and maybe other parameters) Is there any function or toolbox I c...

3 years ago | 0 answers | 0

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Question


Split arrays and Apply function
Hi! I have 4 vectors: event1 = [7.046, 15.66, 24.16, (....) 106.672, 114.722] event2 = [8.82, 17.34, 25.91, 33.07, (....) 108....

3 years ago | 2 answers | 0

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answers

Question


Separate correctly values in array
Hi! I have 2 vectors: A = [7.046, 15.66, 24.16, 31.476, 39.42, 62.86, 69.83, 91.326, 98.586,106.672, 114.722] corresponds to t...

3 years ago | 1 answer | 0

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Question


How to access output variables from a m.file in another?
I have a m.file (ECG_Final.m) that asks for a data m.file and analyses it using a lot of functions defined in the same folder (b...

3 years ago | 1 answer | 0

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Question


Remove corresponding values in two arrays
Hi! I have a vector with a lot of numbers, for example A = [9,1,5,2,3,2] and B = [12,23,41,4,10,6] (for example) and I want to...

3 years ago | 2 answers | 0

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answers

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Remove specific values from array
Hi! I have a vector with a lot of numbers, for example, A = [9,1,2,5,1,2,5,1,1,5,2,3,1,2,5,1,2,5,4,1,2,5,10]; and I want to rem...

3 years ago | 1 answer | 0

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answer

Question


Add an array to a cell arrayn within a for loop
How can I add vectors to a cell array within a for loop? I have a vector wich I want to split in some intervals acording to the ...

3 years ago | 1 answer | 0

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answer

Question


How can I randomly extract a element in a vector?
Hi!! How can I extract a random element from a vector? For example, I have vector v = [a1 a2 a3 a4] and I want to randomly se...

4 years ago | 1 answer | 0

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