matrixseries.html

JFreeChart 9.20的文档 需要用JAVA在网页上做统计图的东东

data</H3>
<PRE>
protected double[][] <B>data</B></PRE>
<DL>
<DD>Series matrix values
<P>
<DL>
</DL>
</DL>

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<A NAME="MatrixSeries(java.lang.String, int, int)"><!-- --></A><H3>
MatrixSeries</H3>
<PRE>
public <B>MatrixSeries</B>(java.lang.String&nbsp;name,
                    int&nbsp;rows,
                    int&nbsp;columns)</PRE>
<DL>
<DD>Constructs a new matrix series.
 <p>
 By default, all matrix items are initialzed to 0.
 </p>
<P>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - series name (<code>null</code> not permitted).<DD><CODE>rows</CODE> - the number of rows.<DD><CODE>columns</CODE> - the number of columns.</DL>

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<A NAME="getColumnsCount()"><!-- --></A><H3>
getColumnsCount</H3>
<PRE>
public int <B>getColumnsCount</B>()</PRE>
<DL>
<DD>Returns the number of columns in this matrix series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of columns in this matrix series.</DL>
</DD>
</DL>
<HR>

<A NAME="getItem(int)"><!-- --></A><H3>
getItem</H3>
<PRE>
public java.lang.Number <B>getItem</B>(int&nbsp;itemIndex)</PRE>
<DL>
<DD>Return the matrix item at the specified index.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>itemIndex</CODE> - item index.
<DT><B>Returns:</B><DD>matrix item at the specified index.</DL>
</DD>
</DL>
<HR>

<A NAME="getItemColumn(int)"><!-- --></A><H3>
getItemColumn</H3>
<PRE>
public int <B>getItemColumn</B>(int&nbsp;itemIndex)</PRE>
<DL>
<DD>Returns the column of the specified item.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>itemIndex</CODE> - the index of the item.
<DT><B>Returns:</B><DD>the column of the specified item.</DL>
</DD>
</DL>
<HR>

<A NAME="getItemCount()"><!-- --></A><H3>
getItemCount</H3>
<PRE>
public int <B>getItemCount</B>()</PRE>
<DL>
<DD>Returns the number of items in the series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

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

<A NAME="getItemRow(int)"><!-- --></A><H3>
getItemRow</H3>
<PRE>
public int <B>getItemRow</B>(int&nbsp;itemIndex)</PRE>
<DL>
<DD>Returns the row of the specified item.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>itemIndex</CODE> - the index of the item.
<DT><B>Returns:</B><DD>the row of the specified item.</DL>
</DD>
</DL>
<HR>

<A NAME="getRowCount()"><!-- --></A><H3>
getRowCount</H3>
<PRE>
public int <B>getRowCount</B>()</PRE>
<DL>
<DD>Returns the number of rows in this matrix series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of rows in this matrix series.</DL>
</DD>
</DL>
<HR>

<A NAME="get(int, int)"><!-- --></A><H3>
get</H3>
<PRE>
public double <B>get</B>(int&nbsp;i,
                  int&nbsp;j)</PRE>
<DL>
<DD>Returns the value of the specified item in this matrix series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>i</CODE> - the row of the item.<DD><CODE>j</CODE> - the column of the item.
<DT><B>Returns:</B><DD>the value of the specified item in this matrix series.</DL>
</DD>
</DL>
<HR>

<A NAME="update(int, int, double)"><!-- --></A><H3>
update</H3>
<PRE>
public void <B>update</B>(int&nbsp;i,
                   int&nbsp;j,
                   double&nbsp;mij)</PRE>
<DL>
<DD>Updates the value of the specified item in this matrix series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>i</CODE> - the row of the item.<DD><CODE>j</CODE> - the column of the item.<DD><CODE>mij</CODE> - the new value for the item.</DL>
</DD>
</DL>
<HR>

<A NAME="zeroAll()"><!-- --></A><H3>
zeroAll</H3>
<PRE>
public void <B>zeroAll</B>()</PRE>
<DL>
<DD>Sets all matrix values to zero and sends a <A HREF="../../../org/jfree/data/SeriesChangeEvent.html" title="class in org.jfree.data"><CODE>SeriesChangeEvent</CODE></A>
 to all registered listeners.
<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>(java.lang.Object&nbsp;obj)</PRE>
<DL>
<DD>Tests this object instance for equality with an arbitrary object.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/jfree/data/Series.html#equals(java.lang.Object)">equals</A></CODE> in class <CODE><A HREF="../../../org/jfree/data/Series.html" title="class in org.jfree.data">Series</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - the object (<code>null</code> permitted).
<DT><B>Returns:</B><DD>A boolean.</DL>
</DD>
</DL>
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