非晶体和准晶体 口黄金中值 τ=(VS±1)/2 口斐波那契( Fibonacci)数列 0,1,1,2,3,5,8,13,21,34, -F+Fn- 2 口x2+x-1=0之正数解 口τ=1±τ Se金分割和斐波那契数mht非晶体和准晶体 ❑黄金中值 t = (5 1) / 2 ❑斐波那契(Fibonacci)数列 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, … Fn = Fn-1 + Fn-2 ❑x 2 + x –1 = 0之正数解 ❑t 2 = 1 t See:黄金分割和斐波那契数.mht