ELM-DeepONet trains DeepONets by fixing branch and trunk weights and solving a pseudoinverse least-squares problem for a linking matrix, reporting faster and often more accurate results than backprop-trained DeepONets.
The deep minimizing movement scheme
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ELM-DeepONets: Backpropagation-Free Training of Deep Operator Networks via Extreme Learning Machines
ELM-DeepONet trains DeepONets by fixing branch and trunk weights and solving a pseudoinverse least-squares problem for a linking matrix, reporting faster and often more accurate results than backprop-trained DeepONets.