polynom.html

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="Polynom(double[])"><!-- --></A><H3>
Polynom</H3>
<PRE>
public <B>Polynom</B>(double[]&nbsp;c)</PRE>
<DL>
<DD>Construct a polynom with the specified coefficients.
<P>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - The coefficients. This array is copied.</DL>

<!-- ============ METHOD DETAIL ========== -->

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<A NAME="y(double)"><!-- --></A><H3>
y</H3>
<PRE>
public final double <B>y</B>(double&nbsp;x)</PRE>
<DL>
<DD>Evaluate this polynomial equation for the specified <var>x</var> value.
 More specifically, this method compute
 <code>c<sub>0</sub> +
       c<sub>1</sub>&times;<var>x</var> +
       c<sub>2</sub>&times;<var>x</var><sup>2</sup> +
       c<sub>3</sub>&times;<var>x</var><sup>3</sup> + ... +
       c<sub>n</sub>&times;<var>x</var><sup>n</sup></code>.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="roots()"><!-- --></A><H3>
roots</H3>
<PRE>
public double[] <B>roots</B>()</PRE>
<DL>
<DD>Find the roots of this polynome.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The roots.</DL>
</DD>
</DL>
<HR>

<A NAME="roots(double[])"><!-- --></A><H3>
roots</H3>
<PRE>
public static double[] <B>roots</B>(double[]&nbsp;c)</PRE>
<DL>
<DD>Find the roots of a polynomial equation. More specifically,
 this method solve the following equation:

 <blockquote><code>
 c[0] +
 c[1]*<var>x</var> +
 c[2]*<var>x</var><sup>2</sup> +
 c[3]*<var>x</var><sup>3</sup> +
 ... +
 c[n]*<var>x</var><sup>n</sup> == 0
 </code></blockquote>

 where <var>n</var> is the array length minus 1.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - The coefficients for the polynomial equation.
<DT><B>Returns:</B><DD>The roots. This array may have any length up to .
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang">UnsupportedOperationException</A></CODE> - if there is more coefficients than this method
         can handle.</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[]&nbsp;c)</PRE>
<DL>
<DD>Display to the standard output the roots of a polynomial equation.
 More specifically, this method solve the following equation:

 <blockquote><code>
 c[0] +
 c[1]*<var>x</var> +
 c[2]*<var>x</var><sup>2</sup> +
 c[3]*<var>x</var><sup>3</sup> +
 ... +
 c[n]*<var>x</var><sup>n</sup> == 0
 </code></blockquote>

 where <var>n</var> is the array length minus 1.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - The coefficients for the polynomial equation.</DL>
</DD>
</DL>
<HR>

<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <B>hashCode</B>()</PRE>
<DL>
<DD>Returns a hash value for this polynom.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;object)</PRE>
<DL>
<DD>Compare this polynom with the specified object for equality.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>toString</B>()</PRE>
<DL>
<DD>Returns a string representation of this polynom.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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