en coefficients with the same L, |M| and |K|: &lambda;<sup>L</sup><sub>-M,-K</sub> = (-1)<sup>M-K</sup> (&lambda;<sup>L</sup><sub>M,K</sub>)<sup>*</sup>. Therefore, <code>chili</code> limits the input coefficients to: (1) those with positive K, (2) those with K=0 and positive M, (3) the one with M=K=0 which must be real-valued. All others are supplemented internally using the symmetry relation.
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To plot the orientational potential, use the function <a class="esf" href="oripotentialplot.html">oripot