This PR updates the gto_integrals notebook to have a more complete derivation from the expansion of the single particle states $\phi_i$, to how the matrix elements are formed of integrals, and lastly leading up to the equation leading to the binom_factor that is used throughout the integrals.
This PR updates the gto_integrals notebook to have a more complete derivation from the expansion of the single particle states $\phi_i$, to how the matrix elements are formed of integrals, and lastly leading up to the equation leading to the
binom_factor
that is used throughout the integrals.