Some of you may like seeing the two level neural network code translated to kona (or k3)! nonlin:{:[y;x*1-x;1%1+_exp -x]} x:(0 0 1;0 1 1;1 0 1;1 1 1)

Some of you may like seeing the two level neural network code translated to kona (or k3)! nonlin:{:[y;x*1-x;1%1+_exp -x]} x:(0 0 1;0 1 1;1 0 1;1 1 1) y:+,0 0 1 1 syn0:-0.5+3 1 _draw 0 step:{L1:nonlin[x _mul syn0;0] L1err:y-L1 L1delta:L1err*nonlin[L1;1] syn0+:(+x)_mul L1delta;L1} do[10000;L1:step[x;y]] L1 (,0.009668795 ,0.007862982 ,0.9935916 ,0.9921171) k3 does this in 140ms, Kona in 2030ms on the same machine.