doublevector.html

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<A NAME="copy()"><!-- --></A><H3>
copy</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>copy</B>()</PRE>
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<DD>Makes a deep copy of the vector
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<A NAME="clone()"><!-- --></A><H3>
clone</H3>
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public java.lang.Object <B>clone</B>()</PRE>
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<DD>Clones the DoubleVector object.
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<DT><B>Overrides:</B><DD><CODE>clone</CODE> in class <CODE>java.lang.Object</CODE></DL>
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<A NAME="innerProduct(weka.core.matrix.DoubleVector)"><!-- --></A><H3>
innerProduct</H3>
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public double <B>innerProduct</B>(<A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A>&nbsp;v)</PRE>
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<DD>Returns the inner product of two DoubleVectors
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<DT><B>Parameters:</B><DD><CODE>v</CODE> - the second DoubleVector
<DT><B>Returns:</B><DD>the product</DL>
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<A NAME="sign()"><!-- --></A><H3>
sign</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>sign</B>()</PRE>
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<DD>Returns the signs of all elements in terms of -1, 0 and +1.
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<A NAME="sum()"><!-- --></A><H3>
sum</H3>
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public double <B>sum</B>()</PRE>
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<DD>Returns the sum of all elements in the vector.
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<A NAME="sum2()"><!-- --></A><H3>
sum2</H3>
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public double <B>sum2</B>()</PRE>
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<DD>Returns the squared sum of all elements in the vector.
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<A NAME="norm1()"><!-- --></A><H3>
norm1</H3>
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public double <B>norm1</B>()</PRE>
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<DD>Returns the L1-norm of the vector
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<A NAME="norm2()"><!-- --></A><H3>
norm2</H3>
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public double <B>norm2</B>()</PRE>
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<DD>Returns the L2-norm of the vector
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<A NAME="sum2(weka.core.matrix.DoubleVector)"><!-- --></A><H3>
sum2</H3>
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public double <B>sum2</B>(<A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A>&nbsp;v)</PRE>
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<DD>Returns ||u-v||^2
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<DT><B>Parameters:</B><DD><CODE>v</CODE> - the second vector</DL>
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<A NAME="subvector(int, int)"><!-- --></A><H3>
subvector</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>subvector</B>(int&nbsp;i0,
                              int&nbsp;i1)</PRE>
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<DD>Returns a subvector.
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<DT><B>Parameters:</B><DD><CODE>i0</CODE> - the index of the first element<DD><CODE>i1</CODE> - the index of the last element
<DT><B>Returns:</B><DD>v[i0:i1]</DL>
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<A NAME="subvector(weka.core.matrix.IntVector)"><!-- --></A><H3>
subvector</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>subvector</B>(<A HREF="../../../weka/core/matrix/IntVector.html" title="class in weka.core.matrix">IntVector</A>&nbsp;index)</PRE>
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<DD>Returns a subvector.
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<DT><B>Parameters:</B><DD><CODE>index</CODE> - stores the indices of the needed elements
<DT><B>Returns:</B><DD>v[index]</DL>
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<A NAME="unpivoting(weka.core.matrix.IntVector, int)"><!-- --></A><H3>
unpivoting</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>unpivoting</B>(<A HREF="../../../weka/core/matrix/IntVector.html" title="class in weka.core.matrix">IntVector</A>&nbsp;index,
                               int&nbsp;length)</PRE>
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<DD>Returns a vector from the pivoting indices. Elements not indexed are
  set to zero.
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<DT><B>Parameters:</B><DD><CODE>index</CODE> - stores the pivoting indices<DD><CODE>length</CODE> - the total number of the potential elements
<DT><B>Returns:</B><DD>the subvector</DL>
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<A NAME="plus(double)"><!-- --></A><H3>
plus</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>plus</B>(double&nbsp;x)</PRE>
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<DD>Adds a value to all the elements
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<DT><B>Parameters:</B><DD><CODE>x</CODE> - the value</DL>
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<A NAME="plusEquals(double)"><!-- --></A><H3>
plusEquals</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>plusEquals</B>(double&nbsp;x)</PRE>
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<DD>Adds a value to all the elements in place
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<DT><B>Parameters:</B><DD><CODE>x</CODE> - the value</DL>
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<A NAME="plus(weka.core.matrix.DoubleVector)"><!-- --></A><H3>
plus</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>plus</B>(<A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A>&nbsp;v)</PRE>
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<DD>Adds another vector element by element
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<DT><B>Parameters:</B><DD><CODE>v</CODE> - the second vector</DL>
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<A NAME="plusEquals(weka.core.matrix.DoubleVector)"><!-- --></A><H3>
plusEquals</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>plusEquals</B>(<A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A>&nbsp;v)</PRE>
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<DD>Adds another vector in place element by element
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<DT><B>Parameters:</B><DD><CODE>v</CODE> - the second vector</DL>
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<A NAME="minus(double)"><!-- --></A><H3>
minus</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>minus</B>(double&nbsp;x)</PRE>
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<DD>Subtracts a value
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<DT><B>Parameters:</B><DD><CODE>x</CODE> - the value</DL>
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<A NAME="minusEquals(double)"><!-- --></A><H3>
minusEquals</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>minusEquals</B>(double&nbsp;x)</PRE>
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<DD>Subtracts a value in place
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<DT><B>Parameters:</B><DD><CODE>x</CODE> - the value</DL>
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<A NAME="minus(weka.core.matrix.DoubleVector)"><!-- --></A><H3>
minus</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>minus</B>(<A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A>&nbsp;v)</PRE>
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<DD>Subtracts another DoubleVector element by element
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<DT><B>Parameters:</B><DD><CODE>v</CODE> - the second DoubleVector</DL>
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<A NAME="minusEquals(weka.core.matrix.DoubleVector)"><!-- --></A><H3>
minusEquals</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>minusEquals</B>(<A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A>&nbsp;v)</PRE>
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<DD>Subtracts another DoubleVector element by element in place
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<DT><B>Parameters:</B><DD><CODE>v</CODE> - the second DoubleVector</DL>
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<A NAME="times(double)"><!-- --></A><H3>
times</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>times</B>(double&nbsp;s)</PRE>
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<DD>Multiplies a scalar
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<DT><B>Parameters:</B><DD><CODE>s</CODE> - scalar
<DT><B>Returns:</B><DD>s * v</DL>
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<A NAME="timesEquals(double)"><!-- --></A><H3>
timesEquals</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>timesEquals</B>(double&nbsp;s)</PRE>
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<DD>Multiply a vector by a scalar in place, u = s * u
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<DT><B>Parameters:</B><DD><CODE>s</CODE> - scalar
<DT><B>Returns:</B><DD>replace u by s * u</DL>
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<A NAME="times(weka.core.matrix.DoubleVector)"><!-- --></A><H3>
times</H3>
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public <A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A> <B>times</B>(<A HREF="../../../weka/core/matrix/DoubleVector.html" title="class in weka.core.matrix">DoubleVector</A>&nbsp;v)</PRE>