Semantic Pointer Networks developed by Eric Crawford

dear all,
I am still working with these networks because they allow an elegant implementation of vector or S-pointer similarities.
But in current Nengo version, the networks do not work properly , see example appended

1 ) my translation of a part of the 2014 network example → you can see, that the unbinding process does not work well:

800b_semantic_network1_2024.ipynb (388.9 KB)

and herewith the first of two original example notebooks as given by Eric during the first Nengo summer school (2014):

800_semantic_network1.ipynb (586.5 KB)