差分

=&\displaystyle\frac{1}{\sin\left(\mathrm{Arg}~z\right)}\begin{pmatrix}-\sin\left[(n-1)\mathrm{Arg}~z\right]&-\sin\left(n~\mathrm{Arg}~z\right)\\\sin\left(n~\mathrm{Arg}~z\right)&\sin\left[(n+1)\mathrm{Arg}~z\right]\end{pmatrix}\\

\end{align*}$$

===フィボナッチ数列をはじめとする貴金属数列===