Train a cascaded neural network together

How to train a 2 cascaded neural network together while the 2nd NN allready trined and supply the target output to the 1st NN in training proccess,

Using the following implementaion of NNs:

net = trainNetwork(XTrain,YTrain,layers,options);

Answer 1

[Srivardhan Gadila]

I think it may be complicated or may not be possible if you are solving the above problem with layerGraph and trainNetwork based workflow. Instead I would suggest you to solve it with dlnetwork & Deep Learning Custom Training Loops based approach.