diff --git a/src/dg/complex/runge.tex b/src/dg/complex/runge.tex index ae0e099..afb0c7b 100644 --- a/src/dg/complex/runge.tex +++ b/src/dg/complex/runge.tex @@ -153,12 +153,12 @@ \abs{\int_{\gamma_j}\frac{f(z)}{z - z_0}dz - R_j(z)} < \frac{\eps}{n} \] - so + Thus \[ \abs{f(z_0) - \sum_{j = 1}^n R_j(z)} < \eps \] - for all $z_0 \in K$. By the \hyperref[pole pushing lemma]{lemma:pole-pushing}, there exists $S \in \complex(z) \cap H(\complex_\infty \setminus P)$ such that $|S(z_0) - \sum_{j = 1}^n R_j(z_0)| < \eps$ for all $z_0 \in K$. + for all $z_0 \in K$. By the \hyperref[pole pushing lemma]{lemma:pole-pushing}, there exists $S \in \complex(z) \cap H(\complex_\infty \setminus P; \complex)$ such that $|S(z_0) - \sum_{j = 1}^n R_j(z_0)| < \eps$ for all $z_0 \in K$. Therefore $|S(z_0) - f(z_0)| < 2\eps$ for all $z_0 \in K$. \end{proof} \begin{corollary}