use while loop in matlab -

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let consider following code

clear all;  b=xlsread('data_generations1','a1','g8:g301'); % n=input('enter number  1 16  windows  in periodogram :');  fs=input('enter sampling frequency  fs :');  while  1      n=input('enter number  1 16  windows  in periodogram :');  switch n      case 1          disp('this  hann window ');          [pxx,f]=periodogram(b,hann(length(b)),length(b),fs);          subplot(4,4,1);          plot(f,pxx);          hold on      case 2          disp('this hamming window ');          [pxx,f]=periodogram(b,hamming(length(b)),length(b),fs);          subplot(4,4,2);          plot(f,pxx);          hold on      case 3          disp('this kaiser window ');          [pxx,f]=periodogram(b,kaiser(length(b),2.5),length(b),fs);         subplot(4,4,3);          plot(f,pxx);          hold on      case 4          disp('this barlett window ');          [pxx,f]=periodogram(b,bartlett(length(b)),length(b),fs);          subplot(4,4,4);          plot(f,pxx);          hold on      case 5          disp('this bohmanwin window ');          [pxx,f]=periodogram(b,bohmanwin(length(b)),length(b),fs);          subplot(4,4,5);          plot(f,pxx);          hold on      case 6           [pxx,f]=periodogram(b,rectwin(length(b)),length(b),fs);          subplot(4,4,6);          plot(f,pxx);          hold on       case 7           [pxx,f]=periodogram(b,triang(length(b)),length(b),fs);          subplot(4,4,7);          plot(f,pxx);          hold on       case 8           [pxx,f]=periodogram(b,gausswin(length(b),2.5),length(b),fs);          subplot(4,4,8);          plot(f,pxx);          hold on       case 9           [pxx,f]=periodogram(b,flattopwin(length(b),'periodic'),length(b),fs);          subplot(4,4,9);          plot(f,pxx);          hold on       case 10           [pxx,f]=periodogram(b,gausswin(length(b),2.5),length(b),fs);          subplot(4,4,10);          plot(f,pxx);          hold on       case 11          [pxx,f]=periodogram(b,tukeywin(length(b),0.5),length(b),fs);          subplot(4,4,11);          plot(f,pxx);          hold on      case 12           [pxx,f]=periodogram(b,taylorwin(length(b)),length(b),fs);          subplot(4,4,12);          plot(f,pxx);          hold on      case 13         [pxx,f]=periodogram(b,barthannwin(length(b)),length(b),fs);          subplot(4,4,13);          plot(f,pxx);          hold on           case 14            [pxx,f]=periodogram(b,parzenwin(length(b)),length(b),fs);          subplot(4,4,14);          plot(f,pxx);          hold on      case 15          [pxx,f]=periodogram(b,nuttalwin(length(b),'periodic'),length(b),fs);          subplot(4,4,15);          plot(f,pxx);          hold on       case 16           [pxx,f]=periodogram(b,nuttalwin(length(b),'periodic'),length(b),fs);          subplot(4,4,15);          plot(f,pxx);          hold on          otherwise         warning('unexpected number typed. no windows used ');  end                  break;  end

my goal using loop want enter @ each step number 1 16 , make subpplot of power spectral density using periodogram several different windows,but when run,it shows me plotting 1 times,that means example if enter number 1,it shows me hann window , stop,how can make loop through each step , @ same time keep plotted graph?thanks in advance

remove break call. whole point of break exit out of loop. since don't want exit early, don't call break.


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