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Nycholas Maia


Last seen: presque 3 ans il y a Actif depuis 2017

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C++ .MAT file format
I have a C++ application that generates a lot of numerical matrices and vectors using C++ numerical libraries as Eigen and Blaze...

environ 4 ans il y a | 1 réponse | 0

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réponse

Question


PARFOR: Broadcast variable
Hi, I'm starting to use "parfor" in my MATLAB scripts. In this simple example, for each iteration, I get a 2D 'sub_matrix' from...

environ 4 ans il y a | 2 réponses | 0

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réponses

Question


HDF5 transpose data?
I have a HDF5 file called "output.h5" and it have a dataset called "density" which is a matrix with 21 rows and 2 cols. I read ...

plus de 4 ans il y a | 1 réponse | 0

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Question


Write class methods outside the class file
I have a very large MATLAB class with a lot of methods and I would like to organize them to facilitate the source code maintenan...

plus de 4 ans il y a | 1 réponse | 1

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réponse

Question


Student License: Two Periods
Today, I have a MATLAB student license installed... Now, I would like to NOT renew this license this year because my PhD projec...

presque 5 ans il y a | 1 réponse | 0

1

réponse

Question


FFT and IFFT: Random Phases
I imported a single audio file to MATLAB workspace. After I apply the FFT: Y = fft(signal) How can I random change the audio ...

presque 5 ans il y a | 2 réponses | 0

2

réponses

Question


Large Audio Datastore: MATLAB Workspace
Hi, I have 36 large audio files encoded as Wav: 48kHz / 24 bits. Each file have approximately 3.6 hours of recording time (or 2...

presque 5 ans il y a | 1 réponse | 0

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Question


GPU and CPU code: How to do?
I would like to share my MATLAB project with others that does not have any GPU card in your computers, but I want to use the GPU...

environ 5 ans il y a | 2 réponses | 0

2

réponses

Question


Preallocate char array: Wrong values
I would like to preallocate a char array, fill it with data and then add this array to a table column. The problem is that: eac...

environ 5 ans il y a | 1 réponse | 0

1

réponse

Question


Table: Overwrite column value with condition
I would like to overwrite all values of a specific column, but using a condition, like this: % Dummy array values: a = [1;2;3;...

environ 5 ans il y a | 1 réponse | 0

1

réponse

Question


Table: Add only selected collumns
% Set a dummy array content: name = {'Joe'; 'Elisa'; 'John'}; age = [30; 10; 25]; weigth = [100; 150; 180]; % Set 'select_...

environ 5 ans il y a | 1 réponse | 0

1

réponse

Question


Table: Add collumn with conditional
How to modify this function to create a better code think in how to get a dynamic output table. In this simple example below, I...

environ 5 ans il y a | 1 réponse | 0

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réponse

Question


XML: Count how many <Tags>
I have a big XML file and I would like to count how many a specific tag 'X' appears in this text file. Example: In this example...

environ 5 ans il y a | 1 réponse | 1

1

réponse

Question


OOP: Select Data with conditional
I would like to filter a array of objects (animal class) and get a new array of objects that fits in 2 properties conditions sim...

plus de 5 ans il y a | 2 réponses | 0

2

réponses

Question


ERROR: Wavelet + MATLAB Coder
I'm trying to convert my function called myFunc to C. The 'signal' input argument is a vector (1000, 1) that contains only uint...

presque 6 ans il y a | 1 réponse | 0

1

réponse

Question


FPGA: Audio DSP
I want to develop a DSP hardware that involves processing 64 channels of audio in real time. Using FPGA, my main concern is t...

presque 6 ans il y a | 1 réponse | 0

1

réponse

Question


GPU: Audio DSP
I want to develop a project that involves processing 64 channels of audio in *real time.* My main concern is that the total s...

presque 6 ans il y a | 1 réponse | 0

1

réponse

Question


VST Audio Plugin: Communication
Hi, Let's say that I created a VST audio plugin using MATLAB called "myVST.vst" Then I open my DAW (Reaper/Apple Logic X)...

presque 6 ans il y a | 1 réponse | 0

1

réponse

Question


Listen for Changes to Property Values
I would like to update the RMS object property always when the signal object property has change: classdef track < handle ...

environ 6 ans il y a | 4 réponses | 0

4

réponses

Question


MATLAB Coder: Toolbox Function
I'm developing my own Toolbox called 'Mix Toolbox'. My folders struct is: +mix/amp2dbfs.m function [dbfs] = amp2dbf...

environ 6 ans il y a | 1 réponse | 0

1

réponse

Question


Power Spectrum of Colored Noises
Hi, I would like to know how to "normalize" the power spectrum of FFT so that the length of the colored noise doesn't affect the...

environ 6 ans il y a | 1 réponse | 0

1

réponse

Question


Sum Object Properties: Signal
I create my object using this class: classdef myClass properties signal = [1 1 2 2 3 3]; end ...

environ 6 ans il y a | 1 réponse | 0

1

réponse

Question


Preallocate object array problem: Toolbox Path
I would like to preallocate a array of 'track' object. The problem is that: The 'track class' is *inside my toolbox called 'm...

environ 6 ans il y a | 1 réponse | 0

1

réponse

A répondu
Colored Noise: Set Duration
I was wrong. The 'SamplesPerFrame' parameter is the length of the signal. Sorry...

environ 6 ans il y a | 0

| A accepté

Question


Real time octave analysis: one third octave band
Hi, I'm trying to use a library called: *Real time octave analysis.* *Link:* <https://www.mathworks.com/matlabcentral/file...

environ 6 ans il y a | 1 réponse | 0

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réponse

Question


Colored Noise: Set Duration
I would like to generate pink/white/blue/purple noise and set the duration of this signal. I'm using this code: signal = d...

environ 6 ans il y a | 1 réponse | 0

1

réponse

Question


FVTool: filter array as parameter
I would like to pass a filter vector as a parameter to FVTool to automate different plots of my MATLAB script. Example: I hav...

environ 6 ans il y a | 1 réponse | 0

1

réponse

Question


Spectrum Analyser: One-third octave bands
Hi, I need to customise the Spectrum Analyser X axis ticks and labels to new values that correspond to the One-third octave f...

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


How to visualize the GUI of VST Plugin?
I'm loading a VST3 64 bits called (VOXENGO SPAN) into MATLAB following the example: *MATLAB Example:* https://www.mathworks....

plus de 6 ans il y a | 1 réponse | 0

1

réponse

Question


Generate C/C ++ source code with maximum optimization
Considering that my MATLAB (.m) file already has support for: # Multiple Jobs # GPU Processing # Multiple processors / core...

presque 7 ans il y a | 1 réponse | 0

1

réponse

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