neural network Phi that approximately squares a number between
0 and 1.
Arguments
eps
parameter for Phi in \((0,\infty)\)
References
Definition 2.23. Rafi S., Padgett, J.L., Nakarmi, U. (2024)
Towards an Algebraic Framework For
Approximating Functions Using Neural Network Polynomials
https://arxiv.org/abs/2402.01058