Undefined function or variable 'in'.

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hello.. iam stuck over here on function gabor
function [out1 out2] = fn_gabor(c)
alpha = 1/sqrt(2);
t=1;
for teta = pi/8:pi/8:pi;
for j = 2:5;
for x = -8:8;
for y = -8:8;
h = exp((-alpha^(2*j))*(x^2 + y^2)/2);
HI (x+9,y+9)= h;
Re = cos (pi*(alpha^j)*(x*cos(teta)+ y*sin(teta)));
RI (x+9,y+9)= Re;
Im = sin (pi*(alpha^j)*(x*cos(teta)+ y*sin(teta)));
II (x+9,y+9)= Im;
end;
end;
Rh = HI*RI;
Rh;
Ih = HI*II;
Ih;
R = conv(in,Rh); %%%ERROR IN HERE
I = conv(in,Ih);
% Normalisasi
Ro = (R)/(max(max(R)));
Roa = mean (Ro);
Roav = mean (Roa);
Io = (I)/(max(max(I)));
Ioa = mean (Io);
Ioav = mean (Ioa);
% Magnitude hasil konvolusi
out = sqrt (Ro*Ro' + Io*Io');
outfil(t) = sqrt (Roav*Roav + Ioav*Ioav);
t = t + 1;
end;
end;
out1 = out;
out2 = outfil;
please help.. thank you..

采纳的回答

John Doe
John Doe 2013-5-5
编辑:John Doe 2013-5-5
Well the reason is that you haven't defined 'in' anywhere.
My guess is that the input variable should be named 'in'. You haven't used the input 'c' anywhere in your function.
  1 个评论
wisnu
wisnu 2013-5-5
so supposed to replace the variable 'in' in the code is? because function 'conv' is a vector

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