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<h2 class="chapter">3 Functions for finding the zero of a nonlinear user function</h2>
<p><a name="index-zero-finders-69"></a>
There is only one dedicated zero finder in the optim package, which is
just a vectorized version of Octaves fzero
(see
<a href="../octave/XREFfzero.html#XREFfzero">fzero</a>).
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<li><a accesskey="1" href="vfzero.html#vfzero">vfzero</a>: A vectorized version of fzero.
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