www.gusucode.com > econ 案例源码程序 matlab代码 > econ/DetermineWhichLagHasANonzeroCoefficientExample.m

    %% Determine Which Lag Has a Nonzero Coefficient
%%
% Create a Lag Operator polynomial object and add a term with the |Coefficients| property:

% Copyright 2015 The MathWorks, Inc.

A = LagOp({1 0.8 0.3 0.2});
A.Coefficients(7)={0.5};
isNonZero(A,7)