Matlab 2.m

%Csúszó ablak:

%t+1
%t <- nyers érték
%  t-1 <- szűrt érték
%  t-2
%  ...
  
  
x =[-pi:0.01:pi];
y=sin(x);
plot(x,y);
grid;

plot(x,y,'-+r')
plot(x,y,'-+g')
plot(x,y,'-+b')
plot(x,y,'-ko', 'linewidth', 2, 'markeredgecolor','k', 'markerfacecolor', 'g', 'markersize', 10)
  

y2 = 0;
for i=1:length(x)
    y2(i)=sin(x(i))+(rand(1)-0.5)/4;
end
hold on;
plot(x,y2, '.r');


%csúszóablakosszűrés
windowsize=5;
slidewindow=ones(1,windowsize)*y2(1);
y2_filtered=0;
for i=1:length(y2)
    y2_filtered(i) = mean(slidewindow);
    for j=1:length(slidewindow-1)
        slidewindow(j) = slidewindow(j+1);
        
    end
    slidewindow(length(slidewindow))=y2(i);
end;

plot(x,y,'-');
hold on;
plot(x,y2_filtered,'-k');