electrons on sphere
E denoted by (theta, phi). rho is fixed as R. E in cartesian coord is R ( sin(theta) cos(phi), sin(theta) sin(phi), cos(theta) ) F on E[i] is SUM_(k!=i) X(E[i]-E[k]) ----class X3: x, y, z def __init__(self, x, y, z): self.x, self.y, self.z = x, y, z def plus(self, Y): return X3(self.x + Y.x, self.y + Y.y, self.z + Y.z) ... ----class E : r = R th = 0 ph = 0 v = X3(0, 0, 0) def __init__(self, thet..
