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<p>&nbsp;<p>
<hr noshade size="5">
<h2><a name="AlffEltEval"></a>
AlffEltEval
</h2>

Evaluates an algebraic function at a place.

<p><p>

<h3>
Syntax:
</h3>
<pre>b := AlffEltEval(P, a);</pre>

<p>

<table>
<tr>
<td>field element</td>
<td><pre>  b  </pre></td>
<td>value of a at P</td>
</tr>
<tr>
<td>alff place </td>
<td><pre>  P  </pre></td>
<td></td>
</tr>
<tr>
<td>alff element </td>
<td><pre>  a  </pre></td>
<td></td>
</tr>
</table>

<p>


See also:&nbsp;&nbsp;<a href="kashref.html#AlffResidueField">AlffResidueField</a>, <a href="kashref.html#AlffEltLift">AlffEltLift</a>, <a href="kashref.html#AlffEltValuation">AlffEltValuation</a>

<p>

<h3>
Description:
</h3>
Let F/k be an algebraic function field and P be a place
of F/k. If o_P is the ring of algebraic functions defined
at P then k(P) := o_P / P is the residue class field
of P. The image a(P) of an algebraic function a \in F in
k(P) or <tt> false</tt> for a \notin o_P is returned.

<p><p>

<p>
<hr>
<p>
<h3>
Example:
</h3>

<pre>

</pre>

<p>


<hr>

<p>
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