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

Changes the variables of the given bivariate polynomial.

<p><p>

<h3>
Syntax:
</h3>
<pre>g := PolySwapVars (f);</pre>

<p>

<table>
<tr>
<td>polynomial</td>
<td><pre>  g  </pre></td>
<td></td>
</tr>
<tr>
<td>polynomial</td>
<td><pre>  f  </pre></td>
<td></td>
</tr>
</table>

<p>


<h3>
Description:
</h3>
<i>no detailed description available yet</i>

<p><p>

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

<pre>

kash> Zxy := PolyAlg(Zx);
Univariate Polynomial Ring in y over Univariate Polynomial Ring in x over Inte\
ger Ring

kash> f := Poly(Zxy,[1,2*x+4,x^2 +x,6*x]);
y^3 + (2*x + 4)*y^2 + (x^2 + x)*y + 6*x
kash> PolySwapVars(f);
> x*y^2 + (2*x^2 + x + 6)*y + x^3 + 4*x^2

</pre>

<p>


<hr>

<p>
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