Physics, Python Programming, Runge Kutta.
np.array([r[1],-(2.0*mass/(hbar**2) * (E - v(x))*r[0])], complex) #The double star, **, is for exponents #While loop to iterate through the Runge-Kutta. This particular version, the Fourth Order, will have four slope values that help approximate then next slope value, from k1 to k2, k2 to k3, and