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

Computes the trace of an element of an algebraic function
field.

<p><p>

<h3>
Syntax:
</h3>
<pre>a := AlffEltTrace(b);</pre>

<p>

<table>
<tr>
<td>quotient field element or polynomial</td>
<td><pre>  a  </pre></td>
<td></td>
</tr>
<tr>
<td>algebraic function field element</td>
<td><pre>  b  </pre></td>
<td></td>
</tr>
</table>

<p>


See also:&nbsp;&nbsp;<a href="kashref.html#AlffEltNorm">AlffEltNorm</a>

<p>

<h3>
Description:
</h3>
Given a \in F this function returns the trace of a over
k(T).

<p><p>

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

<pre>

kash> AlffInit(FF(5,2));
"Defining global variables: k, w, kT, kTf, kTy, T, y, AlffGlobals"
kash> AlffOrders(y^3+T^4+1);
"Defining global variables: F, o, oi, one"
kash> b := AlffElt(o, [0, 1, 0]);
[ 0, 1, 0 ]
kash> AlffEltTrace(b);
> 0

</pre>

<p>


<hr>

<p>
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