gusucode.com > 精通Matlab数字图像处理与识别源码程序 > 精通Matlab数字图像处理与识别源码程序/chapter15/code/FaceRec/Kernel/kfun_rbf.m
function K = kfun_rbf(U, V, gamma) % rbf 核函数 [m1 n1] = size(U); [m2 n2] = size(V); K = zeros(m1, m2); for ii = 1:m1 for jj = 1:m2 K(ii, jj) = exp( -gamma * norm(U(ii, :)-V(jj, :))^2 ); end end