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<P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="LUDecomposition(weka.core.matrix.Matrix)"><!-- --></A><H3>LUDecomposition</H3><PRE>public <B>LUDecomposition</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> A)</PRE><DL><DD>LU Decomposition<P><DL><DT><B>Parameters:</B><DD><CODE>A</CODE> - Rectangular matrix</DL></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="isNonsingular()"><!-- --></A><H3>isNonsingular</H3><PRE>public boolean <B>isNonsingular</B>()</PRE><DL><DD>Is the matrix nonsingular?<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>true if U, and hence A, is nonsingular.</DL></DD></DL><HR><A NAME="getL()"><!-- --></A><H3>getL</H3><PRE>public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>getL</B>()</PRE><DL><DD>Return lower triangular factor<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>L</DL></DD></DL><HR><A NAME="getU()"><!-- --></A><H3>getU</H3><PRE>public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>getU</B>()</PRE><DL><DD>Return upper triangular factor<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>U</DL></DD></DL><HR><A NAME="getPivot()"><!-- --></A><H3>getPivot</H3><PRE>public int[] <B>getPivot</B>()</PRE><DL><DD>Return pivot permutation vector<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>piv</DL></DD></DL><HR><A NAME="getDoublePivot()"><!-- --></A><H3>getDoublePivot</H3><PRE>public double[] <B>getDoublePivot</B>()</PRE><DL><DD>Return pivot permutation vector as a one-dimensional double array<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>(double) piv</DL></DD></DL><HR><A NAME="det()"><!-- --></A><H3>det</H3><PRE>public double <B>det</B>()</PRE><DL><DD>Determinant<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>det(A)<DT><B>Throws:</B><DD><CODE>java.lang.IllegalArgumentException</CODE> - Matrix must be square</DL></DD></DL><HR><A NAME="solve(weka.core.matrix.Matrix)"><!-- --></A><H3>solve</H3><PRE>public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>solve</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> B)</PRE><DL><DD>Solve A*X = B<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>B</CODE> - A Matrix with as many rows as A and any number of columns.<DT><B>Returns:</B><DD>X so that L*U*X = B(piv,:)<DT><B>Throws:</B><DD><CODE>java.lang.IllegalArgumentException</CODE> - Matrix row dimensions must agree.<DD><CODE>java.lang.RuntimeException</CODE> - Matrix is singular.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../weka/core/matrix/LinearRegression.html" title="class in weka.core.matrix"><B>PREV CLASS</B></A> <A HREF="../../../weka/core/matrix/Maths.html" title="class in weka.core.matrix"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?weka/core/matrix/LUDecomposition.html" target="_top"><B>FRAMES</B></A> <A HREF="LUDecomposition.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR></BODY></HTML>?? 快捷鍵說明
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