function temp = sinusoid(x)
global sigtype;
global freq;
global amp;
global vari;
sigtype = 2;
HH = findobj(gcf,'Tag','sin_freq1');
p = str2num(get(HH,'String'));
if ~p
freq(1)=0;
else
freq(1)=p;
end;
HH = findobj(gcf,'Tag','sin_amp1');
p = str2num(get(HH,'String'));
if ~p
amp(1)=0;
else
amp(1)=p;
end;
HH = findobj(gcf,'Tag','sin_freq2');
p = str2num(get(HH,'String'));
if ~p
freq(2)=0;
else
freq(2)=p;
end;
HH = findobj(gcf,'Tag','sin_amp2');
p = str2num(get(HH,'String'));
if ~p
amp(2)=0;
else
amp(2)=p;
end;
HH = findobj(gcf,'Tag','sin_var');
p = str2num(get(HH,'String'));
if ~p
vari=0;
else
vari=p;
end;