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- function sim = linearKernel(x1, x2)
- %LINEARKERNEL returns a linear kernel between x1 and x2
- % sim = linearKernel(x1, x2) returns a linear kernel between x1 and x2
- % and returns the value in sim
- % Ensure that x1 and x2 are column vectors
- x1 = x1(:); x2 = x2(:);
- % Compute the kernel
- sim = x1' * x2; % dot product
- end
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