wt)</td></tr>
<tr class="memdesc:ad1e6674862ea6da74cc3a8f1a901cef1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Coefficients are -1/0/1 with pre-specified number of nonzeros. <br /></td></tr>
<tr class="separator:ad1e6674862ea6da74cc3a8f1a901cef1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5bd69bc52fb02706a8dc81c6f9fcf9b6"><td class="memItemLeft" align="right" valign="top"><a id="a5bd69bc52fb02706a8dc81c6f9fcf9b6"></a>
double&#160;</td><td class="memItemRight" vali