1. Install

sudo mpm install --release=R2026b --destination=/usr/local/MATLAB/R2026b MATLAB


2. Small fix

https://archive.archlinux.org/packages/g/gnutls/gnutls-3.8.9-1-x86_64.pkg.tar.zst

mkdir -p /tmp/gnutls_extract
tar -I zstd -xvf ~/Downloads/gnutls-3.8.9-1-x86_64.pkg.tar.zst -C /tmp/gnutls_extract
sudo cp -d /tmp/gnutls_extract/usr/lib/libgnutls.so* /usr/local/MATLAB/R2026b/sys/os/glnxa64/

rm -rf /tmp/gnutls_extract

3. Activate

ls /usr/lib/libleancrypto* 
sudo ln -s /usr/lib/libleancrypto.so.1.9 /usr/lib/libleancrypto.so.1

sudo /usr/local/MATLAB/R2026b/bin/glnxa64/MathWorksProductAuthorizer.sh

4. Run

/usr/local/MATLAB/R2026b/bin/matlab

5. Icon

sudo nano /usr/share/applications/matlab.desktop

[Desktop Entry]
Type=Application
Terminal=false
MimeType=text/x-matlab
Name=MATLAB R2026b
Exec=/usr/local/MATLAB/R2026b/bin/matlab -desktop -useStartupFolderPref
Icon=/usr/local/MATLAB/R2026b/ui/webgui/src/favicon.ico