That’s a different scenario and clearly dynamically justified.

Any recursive neural network is like a nonlinear dynamical system. Learning happens best on the boundary of dissipation vs chaos (exploding or vanishing gradients).

The additive incorporation of new info in LSTM/GRU greatly ameliorates that usual problem of RNNs with random transition matrices where perturbations evolve multiplicatively. RNN initted to zero Lyapunov exponent through identity is helpful.

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