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

Computes the residuum of a differential.

<p><p>

<h3>
Syntax:
</h3>
<pre>r := AlffDiffResiduum(P, hdT);</pre>

<p>

<table>
<tr>
<td>field element</td>
<td><pre>  r  </pre></td>
<td>the residuum of hdT at P</td>
</tr>
<tr>
<td>alff place </td>
<td><pre>  P  </pre></td>
<td></td>
</tr>
<tr>
<td>alff differential </td>
<td><pre>  hdT  </pre></td>
<td></td>
</tr>
</table>

<p>


See also:&nbsp;&nbsp;<a href="kashref.html#AlffDiffDivisor">AlffDiffDivisor</a>, <a href="kashref.html#AlffDiffValuation">AlffDiffValuation</a>, <a href="kashref.html#AlffEltResiduum">AlffEltResiduum</a>

<p>

<h3>
Description:
</h3>
Let F/k be an algebraic function field and omega = hdT be
a differential of F/k. For a place P, which is currently
required
to be of degree one, this function returns the residuum
of omega at P.

<p><p>

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

<pre>

</pre>

<p>


<hr>

<p>
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