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get_companion_matrix: simplify check (no need for allocation)

time-shift
Houtan Bastani 2018-09-12 14:52:59 +02:00
parent a32e2f165a
commit a6150bae82
1 changed files with 3 additions and 5 deletions
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8
matlab/get_companion_matrix.m
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@ -98,12 +98,10 @@ switch auxiliary_model_type
% where the dimensions of I and 0 matrices can easily be
% deduced from the number of EC and trend equations.
% Check that the lhs of candidate ecm equations are at least first differences.
difference_orders_in_error_correction_eq = zeros(m, 1);
for i=1:m
difference_orders_in_error_correction_eq(i) = get_difference_order(M_.trend_component.(auxiliary_model_name).lhs(ecm_eqnums_in_auxiliary_model(i)));
end
if any(~difference_orders_in_error_correction_eq)
error('Model %s is not a Trend component model! LHS variables should be in difference', auxiliary_model_name)
if ~get_difference_order(M_.trend_component.(auxiliary_model_name).lhs(ecm_eqnums_in_auxiliary_model(i)))
error('Model %s is not a Trend component model! LHS variables should be in difference', auxiliary_model_name)
end
end
% Get the trend variables indices (lhs variables in trend equations).
[~, id_trend_in_var, ~] = intersect(M_.trend_component.(auxiliary_model_name).eqn, trend_eqnums);