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#openfpga
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# openfpga
t

Tim 'mithro' Ansell

12/04/2020, 2:18 PM
And any idea how to decode WTF this is saying?

https://usercontent.irccloud-cdn.com/file/PYgWNsKX/Screenshot%20from%202020-12-04%2006-17-31.png

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Tim Callahan

12/06/2020, 7:26 AM
Yeah, it kinda makes sense after a couple of reads. f() is a boolean fn of n bits, and w is a vector of weights. If you can find weights and T, such that the dot product of (the boolean inputs X and the weights) >T exactly when f(x) is true, then it's a threshold function. The weights and T together define a plane in the truth table hypercube, and the truth table is all T on one side of the plane, and all F on the other side. An XOR of the inputs is an example that's NOT a threshold function.
weights and T are real numbers
p

Philipp Gühring

12/06/2020, 1:51 PM
It somehow reminds me of lattice geometry and lattice cryptography
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