diff --git a/MOD2-files/EXP6/Experiment6_filter.m b/MOD2-files/EXP6/Experiment6_filter.m
index ecb7981..ff81db9 100644
--- a/MOD2-files/EXP6/Experiment6_filter.m
+++ b/MOD2-files/EXP6/Experiment6_filter.m
@@ -1,18 +1,3 @@
-clear;
-clc;
-
-fprintf('Bodediagram of the filter\n\n');
-
-R2 = input('R2 [Ohm] : ');
-R3n = input('R3:[kOhm] : ');
-C4n = input('C4 [nF] : ');
-L5n = input('L5 [mH] : ');
-fprintf('\n');
-
-R3 = R3n*1e3;
-C4 = C4n*1e-9;
-L5 = L5n*1e-3;
-
 t0 = 0;
 t1 = L5;
 n0 = R2+R3;
diff --git a/OOequipment/FourierFilterAnalysis.mlx b/OOequipment/FourierFilterAnalysis.mlx
new file mode 100644
index 0000000..d040f33
Binary files /dev/null and b/OOequipment/FourierFilterAnalysis.mlx differ
diff --git a/OOequipment/FourierHarmonics.mlx b/OOequipment/FourierHarmonics.mlx
index d6f91eb..f503d54 100644
Binary files a/OOequipment/FourierHarmonics.mlx and b/OOequipment/FourierHarmonics.mlx differ
diff --git a/OOequipment/subfiles/FourierFilterAnalysis_script.m b/OOequipment/subfiles/FourierFilterAnalysis_script.m
new file mode 100644
index 0000000..ff81db9
--- /dev/null
+++ b/OOequipment/subfiles/FourierFilterAnalysis_script.m
@@ -0,0 +1,38 @@
+t0 = 0;
+t1 = L5;
+n0 = R2+R3;
+n1 = L5;
+n2 = n0*C4*L5;
+
+fstep = 4;
+f=596;
+
+for i=1:251
+   f = f + fstep;
+   frequentie(i) = f;
+   w = 2*pi*f;
+   H(i)=((1i*w*t1)/(n0+1i*w*n1+n2*(1i*w)^2));
+end
+
+figure(1);
+fig_label=('Bodediagram Fourierfilter');
+set(clf,'PaperType','A4');
+set(clf,'Color',[1,1,1]);
+subplot(211);
+semilogx(frequentie, abs(H))
+axis([600 1600 0.0 1.2])
+ylabel('amplitude','Fontsize',10)
+hndl=title(fig_label,'Fontsize',10,'Fontweight','bold');
+h=get(hndl);
+set(gca, 'XTick', [600 700 800 900 1000 1100 1200 1300 1400 1500 1600],'Fontsize',8)
+set(gca, 'YTick', [0.0 0.2 0.4 0.6 0.8 1.0 1.2],'Fontsize',8)
+grid;
+
+subplot(212);
+semilogx(frequentie, angle(H)/pi)
+axis([600 1600 -0.6 0.6])
+xlabel('frequency [Hz]','Fontsize',10)
+ylabel('phase [rad]','Fontsize',10)
+set(gca, 'XTick', [600 700 800 900 1000 1100 1200 1300 1400 1500 1600],'Fontsize',8)
+set(gca, 'YTick', [-0.6 -0.4 -0.2 0.0 0.2 0.4 0.6],'Fontsize',8)
+grid;
diff --git a/OOequipment/subfiles/FourierHarmonics_script.m b/OOequipment/subfiles/FourierHarmonics_script.m
index f6db58f..5025289 100644
--- a/OOequipment/subfiles/FourierHarmonics_script.m
+++ b/OOequipment/subfiles/FourierHarmonics_script.m
@@ -18,30 +18,30 @@ mA=ceil(maxamp);
 figure(1);
 set(clf,'PaperType','A4');
 set(clf,'Color',[1,1,1]);
-subplot(221);
+ax(1) = subplot(221);
 plot(tv, blv, tv, ehv, tv, dhv, tv, vhv);
 xlabel('time [ms]','Fontsize',8);
 title('first three harmonics','Fontsize',8);
 set(gca,'Fontsize',8);
 
-subplot(222);
+ax(end+1) = subplot(222);
 plot(tv, blv, tv, ehv);
 xlabel('time [ms]','Fontsize',8);
 title('first harmonic','Fontsize',8);
 set(gca,'Fontsize',8);
 
-subplot(223);
+ax(end+1) = subplot(223);
 plot(tv, blv, tv, epdhv); 
 xlabel('time [ms]','Fontsize',8);
 title('sum first and third harmonic','Fontsize',8);
 set(gca,'Fontsize',8);
 
-subplot(224);
+ax(end+1) = subplot(224);
 plot(tv, blv, tv, epdpvhv);
 xlabel('time [ms]','Fontsize',8);
 title('sum of all harmonics','Fontsize',8);
 set(gca,'Fontsize',8);
-
+linkaxes(ax)
 
 %% Triangular Wave
 amp = -(8*B)/(pi^2);
@@ -70,26 +70,29 @@ epdpvhv = epdhv + vhv;
 figure(2);
 set(clf,'PaperType','A4');
 set(clf,'Color',[1,1,1]);
-subplot(221);
+ax(end+1) = subplot(221);
 plot(tv, drv, tv, ehv, tv, dhv, tv, vhv);
 xlabel('time [ms]','Fontsize',8);
 title('first three harmonics','Fontsize',8);
 set(gca,'Fontsize',8);
 
-subplot(222);
+ax(end+1) = subplot(222);
 plot(tv, drv, tv, ehv);
 xlabel('time [ms]','Fontsize',8);
 title('first harmonic','Fontsize',8);
 set(gca,'Fontsize',8);
 
-subplot(223);
+ax(end+1) = subplot(223);
 plot(tv, drv, tv, epdhv); 
 xlabel('time [ms]','Fontsize',8);
 title('sum first and third harmonic','Fontsize',8);
 set(gca,'Fontsize',8);
 
-subplot(224);
+ax(end+1) = subplot(224);
 plot(tv, drv, tv, epdpvhv);
 xlabel('time [ms]','Fontsize',8);
 title('sum of all harmonics','Fontsize',8);
-set(gca,'Fontsize',8);
\ No newline at end of file
+set(gca,'Fontsize',8);
+
+linkaxes(ax(5:8))
+arrayfun(@(x) set(x,{'XGrid','YGrid'},{'on','on'}),ax)
\ No newline at end of file