Download Matlab 2019a

Hi mates,

I need to install Matlab 2019a for academic purpose but could not find out how to download. The 2020b version is too heavy. Could you please help me out ?

Cheers

[Zemenu Addis]

I need to install Matlab 2019a for academic purpose but could not find out how to download. The 2020b version is too heavy. Could you please help me out ?

[Dessalew]

I am student ,since I want to dawnload Matlab 2019a for acadamic purpose. so please help me how can I get your app?

[Walter Roberson]

@Dessalew

https://www.mathworks.com/downloads/ and on the left hand side there is a Select Release column.

If R2024a is the only release available to you, then that indicates that you are using an account that has no licenses.

If no releases are available to you, then that indicates that you are using a university account at a university that has restricted downloads; in that case you would need to put in a request to the IT department.

[shashank]

pls download

[Rik]

@shashank, did you see the answer below? Did you try it?

Answer 1

[Walter Roberson]

If you have authorization to download MATLAB then

https://www.mathworks.com/downloads/web_downloads/download_release?release=R2019a

However, license adminstrators can block end users from downloads. Also, my understanding is that Student licenses do not have access to download previous releases.

[Quang Thuc Ha]

Thanks heaps for quick response. I have downloaded and installed the 2019a.

[nibras ounissi]

Hi, can you explain how you installed a previous version?

[Walter Roberson]

@nibras ounissi

If your license is already authorized:

https://www.mathworks.com/downloads/ and on the left hand side there is a Select Release column. If necessary click on Show All there to see older versions. Click on the version on the left that you want.

Depending on how old the version is, you will either be brought to a page to download an installer, or else you will need to download a number of different files

If that Downloads page does not offer you a Select Release then you are not authorized to download old releases with the license you have associated with your MATLAB Central account.

Answer 2

[Fadila]

%% --- 1) Lecture du signal audio ---
[x, fs] = audioread('voix.wav');   % x est le signal audio, fs est la fréquence d'échantillonnage
x = x(:,1);                        % si le signal est stéréo, on prend une seule voie
N = length(x);
t = (0:N-1)/fs;                    % axe du temps
dt = 1/fs;                          % intervalle de temps
%% --- 2) Calcul manuel de la Transformée de Fourier continue approchée ---
f_max = 500;                        % fréquence max à afficher (Hz)
df = 1;                              % résolution en fréquence (Hz)
f = 0:df:f_max;                      % axe des fréquences
Xf = zeros(size(f));
for k = 1:length(f)
    Xf(k) = sum(x .* exp(-1i*2*pi*f(k)*t)) * dt;
end
Xf_mag = abs(Xf);
%% --- 3) Détection des fréquences principales (peaks) ---
% on choisit un seuil pour détecter les pics significatifs
seuil = max(Xf_mag) * 0.05;  % 5% du maximum
indices_peaks = find(Xf_mag > seuil);
% garder seulement les pics locaux
peaks = [];
for i = 2:length(indices_peaks)-1
    if Xf_mag(indices_peaks(i)) > Xf_mag(indices_peaks(i-1)) && ...
            Xf_mag(indices_peaks(i)) > Xf_mag(indices_peaks(i+1))
        peaks(end+1) = indices_peaks(i);
    end
end
nombre_frequences = length(peaks);
disp(['Nombre de fréquences principales: ', num2str(nombre_frequences)]);
%% --- 4) Affichage ---
figure;
subplot(2,1,1);
plot(t, x);
title('Signal audio dans le domaine temporel');
xlabel('Temps (s)');
ylabel('Amplitude');
subplot(2,1,2);
plot(f, Xf_mag);
hold on;
plot(f(peaks), Xf_mag(peaks), 'ro'); % marquer les pics
title('Transformée de Fourier continue approximée du signal audio');
xlabel('Fréquence (Hz)');
ylabel('|X(f)|');
grid on;

[Walter Roberson]

That's really some exploit you found, that running that code ends up by downloading MATLAB R2019a! Please expand on how the exploit works ??