Luccas S.

Last seen: 3 months ago | Active since 2021

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Out of memory error
I'm trying to run the code below, it works well and does its job. The problem is that it is not capable of running all iteration...

4 months ago | 1 answer | 0

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How to add a sum of frequency band or a specific frequency to the wsst function
I would like to sum up the values found in the intervals or a specific frequency range, as shown in the image below: The gr...

6 months ago | 1 answer | 1

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Correlation Matrix Problem of Three Decomposition Level of DWT
I'm trying to apply a DWT with 3 composition levels and the following question arose when calculating the composition matrix. Th...

9 months ago | 0 answers | 0

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Error using vertcat Dimensions of arrays being concatenated are not consistent..
The code below is showing the following error Error using vertcat Dimensions of arrays being concatenated are not consistent....

9 months ago | 1 answer | 0

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How to place a subplot with the same dimensions as ax.width, ax.height and ax.Position
I am plotting a graph and I would like the start of the subplot(3,1,1) to coincide with the start of the subplot (3,1,2) and (3,...

9 months ago | 1 answer | 0

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Remove white/blank space from plot
Is there any way to remove the areas or reduce the blank parts of the plot as much as possible?

2 years ago | 1 answer | 0

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Store one vector range inside another
How to store the values of vector x, say from x(50,1) to x(100,1)? I tried in the following way, but it didn't work. RES_B...

2 years ago | 2 answers | 0

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How to check if there are more ones than zeros in the variable.
For example, if there is the variable x; x = [1 1 1 1 1 1 1 1 0 0 0]; How to check if it has ones than zeros?

2 years ago | 2 answers | 0

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Is it possible to apply imdilate and imerode to a signal and not an image?
The question is exactly the topic name. I want to apply morphological gradient to a current signal, so I would like to know if i...

2 years ago | 2 answers | 0

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Define origin and length of the Strel function
I'm trying to create the following structuring element (SE): The underline bar represents the origin of the SE. For example...

2 years ago | 1 answer | 0

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Question

Add Gaussian Noise to a Signal
I'm trying to add a 65 db Gaussian noise to a current signal. With the following function: Ia = awgn(Ia,65) The problem is tha...

3 years ago | 1 answer | 0

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Exclude the NaN, 0, empty and Inf values from the analysis.
When calculating the PE value, I would like it not to calculate when Ia_future = 0, Nan or Inf. I believe the way I did it, it'...

3 years ago | 2 answers | 0

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elseif when the flag is not true
I have this part of my code, and I was wondering if this way of implementation is right. flag=flag & PE(n,1)>p_fix if count1==...

3 years ago | 1 answer | 0

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Check if the condition happened in previous cycles
I'm trying to make a condition to analyze every 5 cycles, but I need the value of p_fix (threshold) not to exceed PE. As I did, ...

3 years ago | 1 answer | 0

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Skip analysis when you have NaN or 0
I think I am having problems with my analysis result due to the presence of NaN and 0. How to skip analysis when I have NaN or 0...

3 years ago | 2 answers | 0

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Cycle counter with reset
I apologize for not having developed any code for this part, because I have no idea how to do it. So, I'm going to work with the...

3 years ago | 1 answer | 0

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How to get the highest value from the latest samples?
I have code that calculates an error for each sample, and I would like to always get the highest value from the last samples. e...

3 years ago | 1 answer | 0

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Error using / Matrix dimensions must agree and Forward Linear Prediction
I'm trying to predict the future values of my data sample with the following code: for n = 1:size(t,1) if n>=3 X = [...

3 years ago | 0 answers | 0

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Plot for different values
Hi, I'm trying to vary the value of Q but the values aren't changing. HfTOTAL = 26.8708 Hg = 30 Q = 0:50:450; K = HfTOTAL....

3 years ago | 1 answer | 0

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Multiplying matrices with values in polar form
Hello, I'm trying to perform the following operation (Image). I did the operation in complex form in matlab and it worked, but I...

3 years ago | 1 answer | 0

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Write a complex number in polar form
Hello,I would like to know how do I write a complex number in its polar form. Like the image below. Mycode: Soperacao = (0.8*...

3 years ago | 1 answer | 0

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rounding the imaginary part of the number
Z1 = 0.0000e+00 + 7.8765e-04i I would like the result to appear as 0.0008i in the imaginary part, how to do this?

3 years ago | 1 answer | 0

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Solve an equation like the HP calculator solve
I would like to know if there is any way to solve an equation like HP's solve, I wanted to find out the value of To2 without hav...

3 years ago | 1 answer | 0

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I wanted the matlab to show 5 places after the comma.
I know this is possible with 'format long'. But I wanted to specifically limit it to 5, is there any way to do that?

3 years ago | 1 answer | 0

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Problem with radians and degrees
I am implementing this code. And the result does not match at all. The result must be in radians and the result must be the fo...

3 years ago | 1 answer | 0

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I need to plot the same graphic of the image, but without any loop.
With loop i get this: clear clc x = -5*pi:pi/100:5*pi; k = 0; y = zeros(size(x)); for k = ...

3 years ago | 1 answer | 0

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Question

How to save a txt file in matlab with the specified name I want?
Example: filename = input('Enter the file name: ','s') A save(fullfile('directory path','filename.txt'),'A','-ascii')

3 years ago | 1 answer | 0

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Question

How to enter negative values and values greater than 9 in input with string.
clear clc n=10; ii=1; V=0; display('number between 10 and 20!') while ii<10 teste = input('Enter a value: ','s') ...

3 years ago | 1 answer | 0

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answer

Luccas S.

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