SVM Classification kodlari icin "spiral" pattern üreten kodlar:
alpha = 150;
B=3.5;
M=50;
x1 = [];y1 = [];
theta = pi/2;
while theta < B*pi;
theta = theta + B*pi/M;
rho = alpha*theta;
x1 = [x1 ; rho*cos(theta)];
y1 = [y1 ; rho*sin(theta)];
end;
x2=-x1;y2 =-y1;pattern = [x1 y1];
classe = zeros(size(x1,1),1);pattern = [pattern ; [x2 y2]];pattern = pattern/max(max(pattern));
pattern=pattern';classe = [classe ; ones(size(x2,1),1)]';classe=classe*2-1;
X=pattern;
r=classe;
clear p* c* x* y* a* t*