From e46f0d43361ff8a587d6c167eccdf8dc99d9f186 Mon Sep 17 00:00:00 2001
From: Filipriec <filippriec@gmail.com>
Date: Thu, 9 Oct 2025 16:41:29 +0200
Subject: [PATCH] optimized

---
 hod2/DFT_priama.m | 4 ++--
 hod2/DFT_spatna.m | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/hod2/DFT_priama.m b/hod2/DFT_priama.m
index e30ff28..c2441c2 100644
--- a/hod2/DFT_priama.m
+++ b/hod2/DFT_priama.m
@@ -1,13 +1,13 @@
 % priama X(k) z x(n)
 function X = DFT_priama(x)
-  X = [];
   N = length(x);
+  X = zeros(1,N);
   for k = 0:(N - 1)
     Xk = 0;
     for n = 0:(N - 1)
       Xk = Xk + ( x(n + 1) .* exp(-1j * 2 * pi * n * k / N) );
     end
-    X(end + 1) =  Xk;
+    X(k + 1) =  Xk;
   end
   X = 1/N * X;
 end
diff --git a/hod2/DFT_spatna.m b/hod2/DFT_spatna.m
index c78bc1f..baee986 100644
--- a/hod2/DFT_spatna.m
+++ b/hod2/DFT_spatna.m
@@ -1,13 +1,13 @@
 % spatna x(n) z X(k)
 function x = DFT_spatna(X)
-  x = [];
   N = length(X);
+  x = zeros(1,N);
   for n = 0:(N - 1)
     xn = 0;
     for k = 0:(N - 1)
       xn = xn + ( X(k + 1) .* exp(1j * 2 * pi * n * k / N) );
     end
-    x(end + 1) =  xn;
+    x(n + 1) =  xn;
   end
 end