# Biza Ferreira

### Instituto Politécnico de Bragança

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**Content Feed**

Is there a way to simulate a struct with a array?

Walter Roberson, Thanks for your answer, my problem is the following... I have develop a code in C to read the ouput of my ECG...

6 maanden ago | 0

Question

Is there a way to simulate a struct with a array?

Hello friends? I need to implement some code I have done in C, and conver it to matlab. Can someone help me to simulate the fo...

6 maanden ago | 2 answers | 0

### 2

answersQuestion

How add field to a import structure file *.txt.?

Hello fellows I have a problem I need to add a field to a import text file. I have some field's in a .txt file i need to use ,...

6 maanden ago | 0 answers | 0

### 0

answersQuestion

How to show data in a textField on app designer?

Hello fellows, I have a few problems in a app designer, a try to show data in a textArea component,but without success, can an...

7 maanden ago | 1 answer | 0

### 1

answerQuestion

How to pass textscan data to array?

Hello fellows, I have a write a code where I acess to a *.txt file and after get the information from the header, i close with ...

7 maanden ago | 1 answer | 0

### 1

answerQuestion

How Load *.txt file with binary output and convert him to ASCII?

Hi, I need some help, in this task, to analayse my aquisition data I need to load a *.txt file. Inside him it have a binary c...

7 maanden ago | 0 answers | 0

### 0

answersQuestion

How to get a dynamic axes?

Hello friends, I have a huge problem and a need some help to solve it. I built a irrigation system, where i colect data humi...

8 maanden ago | 0 answers | 0

### 0

answersQuestion

How can get the multi band-pass FIR Filter

Hello, i need some help with a digital filters. Multiband-pass filter (MBF) is used for removing unwanted signals and power line...

bijna 4 jaar ago | 0 answers | 0

### 0

answersScroll a graph in GUI Matlab

Hello fellows, I have the new Matlab R2018A, and I need to develop a GUI application, the problem is I am not used to working wi...

meer dan 4 jaar ago | 0

Question

Scroll a graph in GUI Matlab

Hello fellows someone can guide me how can scroll a graph in GUI matlab

meer dan 4 jaar ago | 2 answers | 0

### 2

answersusing data from a .txt file in matlab

Thanks for your reply I ended up making the following code, but it does not bring me all the data.Can someone help me? if ...

meer dan 4 jaar ago | 0

Question

using data from a .txt file in matlab

Hello friends, I have a fews problems, I have a text file and inside have some data disposed in columns. I want to load some c...

meer dan 4 jaar ago | 2 answers | 0

### 2

answersQuestion

How to solve this error?

Hello Friends, I have a small problem, I am solving a first order equation problem, and i use euler, heund, range-kutta, and od...

ongeveer 6 jaar ago | 0 answers | 0

### 0

answersQuestion

how to calculate a average of five arrays?

I have a small problem in a exercise. So i have to make dynamic vectors with 3 dimentions and calculate the average of the sum o...

meer dan 6 jaar ago | 2 answers | 0

### 2

answersQuestion

problem in imfinfo give me the following error

I have done the following code clear all,close all,clc; originalImage = imread('101_1.tif'); testImage = imread('101...

meer dan 6 jaar ago | 1 answer | 0

### 1

answerHow can I made a correlation between two images of the same size?

can you help me to solve this correlation problem using the expression <</matlabcentral/answers/uploaded_files/55280/csmdQ.pn...

meer dan 6 jaar ago | 0

Question

How can I made a correlation between two images of the same size?

Hello, I have a small problem I wanted to build a table with the correlation of 10 images values all with the same size.

meer dan 6 jaar ago | 3 answers | 1

### 3

answersQuestion

How can I calculate heart rates?

I have a ".txt" file obtained by an ECG, now I need calculate the cardiac frequencies from that ECG. I've built some code but I'...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

How can I merge two array's?

I have two array and I want to merge in one . A =['test']; B= [1, 2, 3]; C= ['test', 1, 2, 3];

meer dan 7 jaar ago | 2 answers | 0

### 2

answersQuestion

how can I create dynamically a matriz of values and store him in excel?

Hello friends, I have a problem in store values of two images. I'm trying to create an array and save the same values "scores" ...

meer dan 7 jaar ago | 0 answers | 0

### 0

answersQuestion

Ao can I display a var-comment-var ?

I have two variables like A and B, now I need to print in command window variable1-comment-variable2 how can I do this?

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

How to mask a binary image with a mask?

Friends I have a small problem with a image and a mask , I need to make a mask in a binary image how can do this?

bijna 8 jaar ago | 1 answer | 0

### 1

answerQuestion

How change somme values on a matrix?

for example I have a "A" matrix , i want change somme pixel values inside him, like this example: if true % code if A...

bijna 8 jaar ago | 1 answer | 0

### 1

answerQuestion

How can remove all regions outside roi?

Fellows I have a image with small coin, I want maintain the coin and remove all object's around the coin, I thought maybe implem...

bijna 8 jaar ago | 1 answer | 0

### 1

answerQuestion

How can resolve this problems with fft?

Friends have the following problem I'm doing the enhanced fingerprint with FFT and i have done the following code if true ...

bijna 8 jaar ago | 0 answers | 0

### 0

answersQuestion

how can I draw a rectangle on a image?

Hello friends I'm with a problem! I have a vector with x and y coordinates and I need to draw a rectangle over an image.A recta...

bijna 8 jaar ago | 3 answers | 0

### 3

answersQuestion

How to made a graph of two images?

Hello people, I'm trying to made a matching between two images,I would like to use graph theory, did any of you tell me where I...

bijna 8 jaar ago | 1 answer | 0

### 1

answerQuestion

How can adjust luminosity with HSV?

Hello friends, I have a set of 20 color images and I want to implement some operations.but before working on these images, I mu...

bijna 8 jaar ago | 1 answer | 0

### 1

answerQuestion

How can I perform preprocessing in this image

<</matlabcentral/answers/uploaded_files/31296/105_3.jpg>> would like to perform a pre-processing in the following image I'm q...

bijna 8 jaar ago | 2 answers | 0

### 2

answersQuestion

Why my code is not working?

I have a small problem, I need resover a problem through the quadratic penalty method, I have done the objective function and co...

ongeveer 8 jaar ago | 0 answers | 0