>[!warning] >This content has not been peer reviewed. # Constructal law — Code Script: `rst_constructal_n_efficiency.py`. ## Purpose Shows that the RST exponent $n$ (transition sharpness) is the same as the **Constructal least-resistance** dimension: plot $\mu(\eta, n)$ for several $n$ and mark $n_0 \approx 1.24$ (derived; SPARC confirms); optionally plot a flow-efficiency or "access" metric vs $n$ that peaks near 1.25 to illustrate that this $n$ **eases the flow of currents**. ## Engine Imports `mu_rst` from `rst_engine`. Workspace root = three levels up. ## Output - `constructal_n_efficiency.png`: (1) $\mu(\eta)$ for $n \in \{1.0, 1.25, 1.5, 2.0\}$ with $n_0 = 1.25$ highlighted; (2) or a second panel: efficiency vs $n$ peaking near 1.25. - Console: summary. ## Links - **Application:** [[Constructal Law (RST)]]