SBL code analysis

BASIS = exp(-distSquared(X,C)/(basisWidth^2));

distSquared 함수는 $(x-x_m)^2$ 을 수행

D2 = (sum((X.^2), 2) * ones(1,ny)) + (ones(nx, 1) * sum((Y.^2),2)') - 2*X*Y';

consider models which are a linearly-weighted \(\phi_m(x)=\exp \left( -\frac{ ||x-x_m||^2 }{r^2} \right)\)