Ibrahim A
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Estadística
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MEDIA DE ME GUSTA
Solve a community group
Awarded to Ibrahim A on 18 Jun 2021
Publish your first review
Awarded to Ibrahim A on 05 Jan 2021
1 of your answers has been accepted
Awarded to Ibrahim A on 30 Oct 2020
Accept 5 answers given by other contributors
Awarded to Ibrahim A on 22 Oct 2020
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Awarded to Ibrahim A on 20 May 2020
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Awarded to Ibrahim A on 07 Nov 2019
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Pregunta
What "Window" value or size mean when using the audioFeatureExtractor function
When I am trying to use the audioFeatureExtractor function to extract features from an audion. I need to define the property "Wi...
alrededor de 2 años hace | 1 respuesta | 0
1
respuestaResuelto
Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...
más de 3 años hace
Resuelto
Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...
más de 3 años hace
Resuelto
Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...
más de 3 años hace
Resuelto
Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...
más de 3 años hace
Resuelto
Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...
más de 3 años hace
Resuelto
Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...
más de 3 años hace
Resuelto
Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...
más de 3 años hace
Resuelto
Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...
más de 3 años hace
Resuelto
Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...
más de 3 años hace
Resuelto
Solve a System of Linear Equations
*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...
más de 3 años hace
Resuelto
Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....
más de 3 años hace
Resuelto
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...
más de 3 años hace
Image resizing using augmentedImageDatastore
Hi Rd, I had same problem and fixed by splitting the data before I do the augmentedImageDatastore then have two augmentedImageD...
alrededor de 4 años hace | 1
| aceptada
Pregunta
Size of Mini-Batch in deep learning
Hi, I am trying to train some deep learning models and trying to set up good value for the Mini-Batch. As you may know, the val...
más de 4 años hace | 1 respuesta | 0
1
respuestaPregunta
Getting NaN and Inf values after extracting features from Audio files
Hello, I am trying to extract audio features from audio files that range from 1 - 30 seconds. When I extract the features using...
más de 4 años hace | 1 respuesta | 0
1
respuestaPregunta
Classifying environmental sounds using AlexNet
I am trying to extract Spectrograms and MFCC from audio files then calssify them using AlexNet or GooglNet. Any tips ?
más de 4 años hace | 1 respuesta | 0
1
respuestaHow do I know what is the probability that this file belong to this class .wav
Yessss.. I figured it out :) prob = predict(net,extract(aFE,wNoiseTest)');
casi 5 años hace | 0
| aceptada
Pregunta
How do I know what is the probability that this file belong to this class .wav
On the TransferLearningUsingGoogLeNetExample for images, the code was able to predict the class of the image with probability % ...
casi 5 años hace | 1 respuesta | 0
1
respuestaExtracting features from a .wav file using MFCC?
This should walk you through all the steps on how to extract MFCC. https://www.mathworks.com/help/audio/ref/mfcc.html
alrededor de 5 años hace | 0
Pregunta
How to extract specific MFCC from .wav files?
When I use the "audioFeatureExtractor" to extract MFCC, since there are 13 MFCC features, I am not sure how to use the setExtrac...
alrededor de 5 años hace | 1 respuesta | 0
1
respuestaPregunta
Issue loading audio files from "fileDatastore" to a matrix
I have used fileDatastore to link my 3K audio files from three different floders, then I tried to input their values into three ...
alrededor de 5 años hace | 2 respuestas | 0
2
respuestas
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