diff --git a/app.mlapp b/app.mlapp
index 115baf7..45f4639 100644
Binary files a/app.mlapp and b/app.mlapp differ
diff --git a/src/Helper/Daniel_Doan_convolution.m b/src/Helper/Daniel_Doan_convolution.m
index 438a08b..cf30204 100644
--- a/src/Helper/Daniel_Doan_convolution.m
+++ b/src/Helper/Daniel_Doan_convolution.m
@@ -5,7 +5,7 @@ function x = Daniel_Doan_convolution(f,h)
     %author: Daniel Doan
 
     %padding to ensure the entire convolution is calculated
-    pad = length(f) + length(h) - 1;
+    pad = length(f);
     %take FT of f
     F = fft(f, pad);
     %take FT of h