matrix.html

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<DT><B>Returns:</B><DD>-A</DL>
</DD>
</DL>
<HR>

<A NAME="plus(weka.core.matrix.Matrix)"><!-- --></A><H3>
plus</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>plus</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>C = A + B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - another matrix
<DT><B>Returns:</B><DD>A + B</DL>
</DD>
</DL>
<HR>

<A NAME="plusEquals(weka.core.matrix.Matrix)"><!-- --></A><H3>
plusEquals</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>plusEquals</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>A = A + B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - another matrix
<DT><B>Returns:</B><DD>A + B</DL>
</DD>
</DL>
<HR>

<A NAME="minus(weka.core.matrix.Matrix)"><!-- --></A><H3>
minus</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>minus</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>C = A - B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - another matrix
<DT><B>Returns:</B><DD>A - B</DL>
</DD>
</DL>
<HR>

<A NAME="minusEquals(weka.core.matrix.Matrix)"><!-- --></A><H3>
minusEquals</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>minusEquals</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>A = A - B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - another matrix
<DT><B>Returns:</B><DD>A - B</DL>
</DD>
</DL>
<HR>

<A NAME="arrayTimes(weka.core.matrix.Matrix)"><!-- --></A><H3>
arrayTimes</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>arrayTimes</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>Element-by-element multiplication, C = A.*B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - another matrix
<DT><B>Returns:</B><DD>A.*B</DL>
</DD>
</DL>
<HR>

<A NAME="arrayTimesEquals(weka.core.matrix.Matrix)"><!-- --></A><H3>
arrayTimesEquals</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>arrayTimesEquals</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>Element-by-element multiplication in place, A = A.*B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - another matrix
<DT><B>Returns:</B><DD>A.*B</DL>
</DD>
</DL>
<HR>

<A NAME="arrayRightDivide(weka.core.matrix.Matrix)"><!-- --></A><H3>
arrayRightDivide</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>arrayRightDivide</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>Element-by-element right division, C = A./B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - another matrix
<DT><B>Returns:</B><DD>A./B</DL>
</DD>
</DL>
<HR>

<A NAME="arrayRightDivideEquals(weka.core.matrix.Matrix)"><!-- --></A><H3>
arrayRightDivideEquals</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>arrayRightDivideEquals</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>Element-by-element right division in place, A = A./B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - another matrix
<DT><B>Returns:</B><DD>A./B</DL>
</DD>
</DL>
<HR>

<A NAME="arrayLeftDivide(weka.core.matrix.Matrix)"><!-- --></A><H3>
arrayLeftDivide</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>arrayLeftDivide</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>Element-by-element left division, C = A.\B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - another matrix
<DT><B>Returns:</B><DD>A.\B</DL>
</DD>
</DL>
<HR>

<A NAME="arrayLeftDivideEquals(weka.core.matrix.Matrix)"><!-- --></A><H3>
arrayLeftDivideEquals</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>arrayLeftDivideEquals</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>Element-by-element left division in place, A = A.\B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - another matrix
<DT><B>Returns:</B><DD>A.\B</DL>
</DD>
</DL>
<HR>

<A NAME="times(double)"><!-- --></A><H3>
times</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>times</B>(double&nbsp;s)</PRE>
<DL>
<DD>Multiply a matrix by a scalar, C = s*A
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>s</CODE> - scalar
<DT><B>Returns:</B><DD>s*A</DL>
</DD>
</DL>
<HR>

<A NAME="timesEquals(double)"><!-- --></A><H3>
timesEquals</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>timesEquals</B>(double&nbsp;s)</PRE>
<DL>
<DD>Multiply a matrix by a scalar in place, A = s*A
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>s</CODE> - scalar
<DT><B>Returns:</B><DD>replace A by s*A</DL>
</DD>
</DL>
<HR>

<A NAME="times(weka.core.matrix.Matrix)"><!-- --></A><H3>
times</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>times</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>Linear algebraic matrix multiplication, A * B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - another matrix
<DT><B>Returns:</B><DD>Matrix product, A * B
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - Matrix inner dimensions must agree.</DL>
</DD>
</DL>
<HR>

<A NAME="lu()"><!-- --></A><H3>
lu</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/LUDecomposition.html" title="class in weka.core.matrix">LUDecomposition</A> <B>lu</B>()</PRE>
<DL>
<DD>LU Decomposition
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>LUDecomposition<DT><B>See Also:</B><DD><A HREF="../../../weka/core/matrix/LUDecomposition.html" title="class in weka.core.matrix"><CODE>LUDecomposition</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="qr()"><!-- --></A><H3>
qr</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/QRDecomposition.html" title="class in weka.core.matrix">QRDecomposition</A> <B>qr</B>()</PRE>
<DL>
<DD>QR Decomposition
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>QRDecomposition<DT><B>See Also:</B><DD><A HREF="../../../weka/core/matrix/QRDecomposition.html" title="class in weka.core.matrix"><CODE>QRDecomposition</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="chol()"><!-- --></A><H3>
chol</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/CholeskyDecomposition.html" title="class in weka.core.matrix">CholeskyDecomposition</A> <B>chol</B>()</PRE>
<DL>
<DD>Cholesky Decomposition
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>CholeskyDecomposition<DT><B>See Also:</B><DD><A HREF="../../../weka/core/matrix/CholeskyDecomposition.html" title="class in weka.core.matrix"><CODE>CholeskyDecomposition</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="svd()"><!-- --></A><H3>
svd</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/SingularValueDecomposition.html" title="class in weka.core.matrix">SingularValueDecomposition</A> <B>svd</B>()</PRE>
<DL>
<DD>Singular Value Decomposition
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>SingularValueDecomposition<DT><B>See Also:</B><DD><A HREF="../../../weka/core/matrix/SingularValueDecomposition.html" title="class in weka.core.matrix"><CODE>SingularValueDecomposition</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="eig()"><!-- --></A><H3>
eig</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/EigenvalueDecomposition.html" title="class in weka.core.matrix">EigenvalueDecomposition</A> <B>eig</B>()</PRE>
<DL>
<DD>Eigenvalue Decomposition
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>EigenvalueDecomposition<DT><B>See Also:</B><DD><A HREF="../../../weka/core/matrix/EigenvalueDecomposition.html" title="class in weka.core.matrix"><CODE>EigenvalueDecomposition</CODE></A></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>&nbsp;B)</PRE>
<DL>
<DD>Solve A*X = B
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - right hand side
<DT><B>Returns:</B><DD>solution if A is square, least squares solution otherwise</DL>
</DD>
</DL>
<HR>

<A NAME="solveTranspose(weka.core.matrix.Matrix)"><!-- --></A><H3>
solveTranspose</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A> <B>solveTranspose</B>(<A HREF="../../../weka/core/matrix/Matrix.html" title="class in weka.core.matrix">Matrix</A>&nbsp;B)</PRE>
<DL>
<DD>Solve X*A = B, which is also A'*X' = B'
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>B</CODE> - right hand side
<DT><B>Returns:</B><DD>solution if A is square, least squares solution otherwise.</DL>
</DD>
</DL>
<HR>

<A NAME="inverse()"><!-- --></A><H3>
inverse</H3>
<PRE>
public <A HREF="../../../weka/core/matrix/Mat