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Yazan


Last seen: 8 months ago |  Active since 2020

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Answered
Reading CSV file within Matlab exe gives unexpected result
Problem was solved by decrypting the CSV files before being used by the Matlab exe (the files were encrypted).

12 months ago | 0

| accepted

Question


Reading CSV file within Matlab exe gives unexpected result
Hello, I have a Matlab script that I want to compile into a standalone exe. The script reads a CSV file (the path to which is i...

1 year ago | 1 answer | 0

1

answer

Question


Does Matlab provide online linear fitting?
Hi all, I am looking for Matlab function or framework to perform linear fitting online, meaning I am looking for updating my li...

1 year ago | 1 answer | 0

1

answer

Question


Fake differences between figures generated on different machines
Hi all, Matlab figures generated on different machines cannot be compared pixel-to-pixel. In the attached left-hand figure, y...

1 year ago | 0 answers | 0

0

answers

Question


Distinguishing between boards based on connection type
Hi all, I have two development boards that I can connect to using Matlab. One uses a USB connection, while the other one an Eth...

2 years ago | 0 answers | 0

0

answers

Question


Inaccurate results when writing xls through writetable
Hello everyone. I am using Matlab R2021b. I write then save .xls files from a table using writetable. After saving, I write aga...

2 years ago | 1 answer | 0

1

answer

Answered
Find the Averaged periodogram
You need to use Welch’s method for power spectral density estimation. Read the details here, and see the demo below. clc, clear...

3 years ago | 0

Answered
How can applied FrFT of an ECG signal estimated as discrete fractional Fourier transform based on Eigen decomposition?
To compute the FrFT, you may use this contribution (I haven't tested myself). If you need the computation to be performed based ...

3 years ago | 0

Answered
Hello guys, i need help for estimating FAR from this formula can review my code please
Have you noticed that the distributions defined in your codes are not Gaussian? See the demo below mu = 3; sigma = 1; x = mu-...

3 years ago | 0

Answered
How to do a hankel transform on a matrix in Matlab?
The Hankel transform (HT) of a vector is a vector and of a matrix is, naturally, a matrix. You mentioned that in your applicatio...

3 years ago | 0

Answered
Docked figures tabs postion from top to left in code?
f = figure; tg = uitabgroup(f, 'TabLocation', 'right'); tab1 = uitab(tg, 'Title', 'Figure 1'); tab2 = uitab(tg, 'Title', 'Fig...

3 years ago | 1

| accepted

Answered
what does this Complex values are not supported mean?
tetagrados is a vector of complex numbers. So, first of all, notice that the function plot throws a warning and plots only the r...

3 years ago | 0

| accepted

Answered
How do I sort files by part of their filename?
You can use the following to search for files in the current folder that have a specific name format: P = dir('*I=0.5') % P = ...

3 years ago | 0

Answered
Invert a histogram by emphasizing on the valleys
One way to do that probably is by subtracting the rate in each bin from the maximum rate. Below is an example with normal distri...

3 years ago | 1

| accepted

Answered
How to denoise chirp signal in low SNR condition with NLMS or any other methods?
As I mentioned in my comments to your question, it is recommended that you experiment with some state-of-the-art time-frequency ...

3 years ago | 1

| accepted

Answered
How to find the maximum of peaks ?
Below, I am proposing an implementation of what I understood to be your task. You have to experiment with the findpeaks multiple...

3 years ago | 0

| accepted

Answered
Making a matrix of R*C size that takes the values randomly from an array- Y.
i1 = 7; i2 = 8; y = [1 6 1 8 4 5]; randIdx = randi(length(y), 1, i1*i2); data = reshape(y(randIdx), i1, i2)

3 years ago | 1

Answered
How can I interpolate rows in an array with a loop?
if A is an array, then Matlab will throw an error, as you are using curly braces for indexing. Below is a demo on how to user ...

3 years ago | 1

Answered
maxk from subset of array
clc, clear v = [10,22,3,-5,8,6,100,30,12,9]; subIdx = [1,3,5,8]; k = 2; % sort values and get corresponding indices [v...

3 years ago | 0

| accepted

Answered
How to remove empty line from struct?
D.f1 = [1 2 3 4 5]; D.f2 = []; % structure with 2 fields D % get fields fields = fieldnames(D) % remove empty fields...

3 years ago | 0

Answered
Count the number of times a word appears?
A = {'fishX', 'fishY', 'fishZ', 'fishX', 'fishX'}'; B = [3 3 2 2 2]'; T = table(A, B); groupsummary(T, "A", 'sum')

3 years ago | 1

Answered
how to recognize if an element of a cell array is a char vector
c = {'name', 'John Smith'; 'age', 32; 'children', cell(1,2)} cellfun(@ischar, c)

3 years ago | 0

| accepted

Answered
Creating a mesh in a 3-d plot.
clc, clear, close all opts = detectImportOptions('Data1.xlsx'); opts1 = detectImportOptions('Data2.xlsx'); % Load data ...

3 years ago | 0

| accepted

Answered
Linear interpolation two array with target value in one array
Try this clc, clear A = [483, 427, 306, 195]; B = [0, 0.25, 0.5, 0.75]; % assume that these are your target values targ...

3 years ago | 0

Answered
I need help with converting hourly data to daily summation inside a cell
Note that the data type in the column date is char, not datetime. Try the following: clc, clear load('example.mat'); data...

3 years ago | 1

| accepted

Answered
Struggling to create STFT form FFT
There are several open-source Matlab-based time-frequency toolboxes, which all provide implementations of the STFT. Check some o...

3 years ago | 0

| accepted

Answered
Please help: ' Dimensions of arrays being concatenated are not consistent'
clc, clear d = load('Data.mat'); idx_lheel_start = find(strcmp(d.data_raw2(:, 2), '"Left Heel"')); idx_lheel_end = find(s...

3 years ago | 0

| accepted

Answered
Finding Impulse response of LTI system when input signal and output are given.
Below is a code that estimates the impulse response with 3 equivalent approaches: clc, clear inpSig = [1 1 1]; outSig = [...

3 years ago | 2

Answered
How to add a new array in the structure?
clc, clear vehicle.genset_model.drag = [4; 5; 6; 7; 8; 9; 10]; % save structure array in 'data.mat' save('data.mat', 'veh...

3 years ago | 0

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Answered
create all logic permutation array
d = (1:2.^3-1)'; b = de2bi(d); b

3 years ago | 0

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