“…The reversible part of the 2nd quadrant of the hysteresis curves of large grain size magnets (order of mm) can be modeled with the procedure of minimizing the sum of Zeeman and anisotropy energy (E A ¼K 1 sin 2 a), where K 1 is constant of magnetocrystalline energy, by making d(E Z þE A )/da¼0 [46][47][48], which is analogous to the SW model [13][14][15]. The first variable to be examined before applying this procedure is the crystallographic texture.…”