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ArrayOperations (Java Machine Learning Library 0.0.11)
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net.sf.javaml.utils</FONT>
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Class ArrayOperations</H2>
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java.lang.Object
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>net.sf.javaml.utils.ArrayOperations</B>
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<DT><PRE>public class <B>ArrayOperations</B><DT>extends java.lang.Object</DL>
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<TD><CODE><B><A HREF="../../../../net/sf/javaml/utils/ArrayOperations.html#ArrayOperations()">ArrayOperations</A></B>()</CODE>
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<CODE>static double[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/javaml/utils/ArrayOperations.html#add(double[], double[])">add</A></B>(double[] a,
double[] b)</CODE>
<BR>
Returns the sum of two array.</TD>
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<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/javaml/utils/ArrayOperations.html#changeLength(double, double[])">changeLength</A></B>(double len,
double[] array)</CODE>
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<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/javaml/utils/ArrayOperations.html#fillRandom(double[], java.util.Random)">fillRandom</A></B>(double[] array,
java.util.Random rg)</CODE>
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<CODE>static double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/javaml/utils/ArrayOperations.html#norm(double[])">norm</A></B>(double[] array)</CODE>
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Returns the norm of the vector</TD>
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<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/javaml/utils/ArrayOperations.html#scalarMultiply(double, double[])">scalarMultiply</A></B>(double s,
double[] array)</CODE>
<BR>
Computes the scalar product of this vector with a scalar</TD>
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<CODE>static int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/javaml/utils/ArrayOperations.html#sort(double[])">sort</A></B>(double[] array)</CODE>
<BR>
Sorts a given array of doubles in ascending order and returns an array of integers with the positions of the elements of the original array in the sorted array.</TD>
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<CODE>static double[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/javaml/utils/ArrayOperations.html#substract(double[], double[])">substract</A></B>(double[] a,
double[] b)</CODE>
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Substract the second array from the first one and returns the result.</TD>
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<CODE>static double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../net/sf/javaml/utils/ArrayOperations.html#sum(double[])">sum</A></B>(double[] doubles)</CODE>
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Computes the sum of the elements of an array of doubles.</TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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