12 lines
323 B
Mathematica
12 lines
323 B
Mathematica
|
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
|