Moving course1 to course1 subdir.

machine_learning/course1/mlclass-ex6-008/mlclass-ex6/linearKernel.m

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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