www.gusucode.com > signal 工具箱matlab源码程序 > signal/@filtgraph/@nodelist/nodelist.m
function NL = nodelist(N) %NODE Constructor for this class. % Author(s): Roshan R Rammohan % Copyright 1988-2004 The MathWorks, Inc. narginchk(0,1); NL = filtgraph.nodelist; if nargin > 0 NL.nodeCount = N; end if NL.nodeCount> 0 for I = 1:NL.nodeCount X(I) = filtgraph.node('DUMMY'); X(I).setindex(I); end else X = []; end NL.nodes = X; end