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annotate gaussianKernel.m @ 0:f602dc601e9e

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author Jordi Gutiérrez Hermoso <jordigh@octave.org>
date Mon, 21 Nov 2011 15:08:02 -0500
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1 function sim = gaussianKernel(x1, x2, sigma)
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2 %RBFKERNEL returns a radial basis function kernel between x1 and x2
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3 % sim = gaussianKernel(x1, x2) returns a gaussian kernel between x1 and x2
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4 % and returns the value in sim
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6 % Ensure that x1 and x2 are column vectors
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7 x1 = x1(:); x2 = x2(:);
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9 % You need to return the following variables correctly.
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10 sim = 0;
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12 % ====================== YOUR CODE HERE ======================
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13 % Instructions: Fill in this function to return the similarity between x1
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14 % and x2 computed using a Gaussian kernel with bandwidth
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15 % sigma
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16 %
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17 %
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24 % =============================================================
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