create a new mfile to make it plot raw vs filtered

plotRawVsFiltered.m

@@ -0,0 +1,32 @@
+function plotRawVsFiltered(rawSignal, filteredSignal, Fs)
+%{
+function plotRawVsFiltered(rawSignal, filteredSignal, Fs)
+Ex: plotRawVsFiltered(X, x_filtered, 200)
+
+Task:
+    Plot both the original (raw) signal and the filtered signal 
+    on the same figure to compare them.
+
+Inputs:
+    - rawSignal: the original signal before filtering
+    - filteredSignal: the signal after filtering
+    - Fs: sampling frequency (in Hz)
+
+Author: Tikea TE
+Date: 16/04/2025
+%}
+
+n = length(rawSignal);
+t = (0:n-1) / Fs;
+
+figure;
+plot(t, rawSignal, 'r');
+hold on;
+plot(t, filteredSignal, 'b');
+xlabel("Time (s)");
+ylabel("Amplitude (a.u.)");
+title("Raw Signal vs Filtered Signal");
+legend("Raw", "Filtered");
+grid on;
+
+end