Hi, how I can get accumlate impluse response function graphs?

I used this coding but I got non-accumlative and I need accumlative

% Set options some options for IRF calculation VARopt.nsteps = 10; VARopt.ident = 'bq'; VARopt.quality = 0; % Compute IRF [IRF, VAR] = VARir(VAR,VARopt); % Compute error bands [IRFINF,IRFSUP,IRFMED] = VARirband(VAR,VARopt); % Plot VARirplot(IRFMED,VARopt,IRFINF,IRFSUP);

[Gayan Ratnayake]

VARirplot(IRFMED,VARopt,IRFINF,IRFSUP);