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Let us consider the matrix $A$ which has three parameters $R,C1,C3$. This is from the Ikeda map in real form.
It is defined as
$$x \rightarrow R+(x \cos(\tau)-y \sin(\tau))$$
$$y \rightarrow x\sin(\tau)+y\cos(\tau)$$
The Jacobain matrix is given by:
\begin{equation*}
A =
\begin{bmatrix}
\cos...
