opt_pred: preallocate matrices.

1 files changed, 4 insertions, 5 deletions

diff --git a/opt_pred.m b/opt_pred.m
index 26e8df8..458479e 100644
--- a/opt_pred.m
+++ b/opt_pred.m
@@ -1,16 +1,15 @@
 function pred = opt_pred(real_data, pred_list)
 
-	err_list = [];
+	err_list = zeros(size(pred_list, 2), size(real_data, 2));
 
 	for i = 1:size(pred_list, 2)
-		err_list = [err_list; sum(abs(real_data - pred_list{i}))];
+		err_list(i,:) = sum(abs(real_data - pred_list{i}));
 	end
 
 	[min_err, idx] = min(err_list);
-
-	pred = [];
+	pred = zeros(size(real_data));
 
 	for i = 1:size(idx, 2)
-		pred = [pred pred_list{idx(i)}(:,i)];
+		pred(:,i) = pred_list{idx(i)}(:,i);
 	end
 end