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#function test_kernel_dot_sparse(kerneltype)
kerneltype = 'rbf';
X = [1 2 0 0 0 0;
0 3 0 4 0 0;
0 0 5 6 7 0;
0 0 0 0 0 8];
[n, m] = size(X);
spZ = sparse([ones(n, 1), X]);
gamma = 0.05;
degree = 1.7;
const = 0.75;
K = zeros(n, n);
if strcmp(kerneltype, 'rbf')
for i=1:n
for j=1:n
K(i, j) = exp(-gamma * sum((spZ(i, 2:end) - spZ(j, 2:end)).^2));
end
end
end
#end
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