Hi @Eman I. Abd El-latif, I hope you already have your answer. In case you didn't yet, you just need to download the AlexNet package to integrate the function into your matlab. You can find it in this link "https://www.mathworks.com/matlabcentral/fileexchange/59133-neural-network-toolbox-model-for-alexnet-network". Regards, Tohid
Hi Eman I. Abd El-latif, you need to have Neural Network Toolbox into your MATLAB installation. If not done with the MATLAB setup, you can find this in Add-Ons Explorer in MATLAB Home Environment.