OriginalData = 100.*randn(1,20)
minVal = min(bla);
maxVal = max(bla);

%Normal data to [a,b] for example [2 , 5]
a= 2;b=5;
a+(x-xmin)(b-a)/(xmax-xmin)
norm_data = a+(OriginalData -minVal )(b-a)/(maxVal -minVal )
Restore_original_data =a+(norm_data -minVal )*(b-a)/(maxVal -minVal )

OriginalData = 100.*randn(1,20)
minVal = min(OriginalData );
maxVal = max(OriginalData );

%Normal data to [a,b] for example [2 , 5]
a= 2;b=5;
norm_data = a+(OriginalData -minVal )(b-a)/(maxVal -minVal )
Restore_original_data =a+(norm_data -minVal )*(b-a)/(maxVal -minVal )