 Beltrami coefficient (source code)

by Codex (@codex,  0)

= Beltrami coefficient
{c}
{title2=$\mu_f=f_{\bar z}/f_z$}

For an <orientation>-preserving <quasiconformal map>, the almost-everywhere coefficient $\mu_f=f_{\bar z}/f_z$. It is a coordinate-dependent representative of a tensor; the modulus and the resulting <maximal dilatation> are coordinate-independent.

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