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Polynomial feature mapping

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neingeist 2014-11-06 12:13:13 +01:00
parent 1cc58802eb
commit 717ea8c788
1 changed files with 5 additions and 7 deletions
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ex5/polyFeatures.m
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@ -10,15 +10,13 @@ function [X_poly] = polyFeatures(X, p)
X_poly = zeros(numel(X), p); X_poly = zeros(numel(X), p);
% ====================== YOUR CODE HERE ====================== % ====================== YOUR CODE HERE ======================
% Instructions: Given a vector X, return a matrix X_poly where the p-th % Instructions: Given a vector X, return a matrix X_poly where the p-th
% column of X contains the values of X to the p-th power. % column of X contains the values of X to the p-th power.
% %
% %
for i = 1 : p
X_poly(:,i) = X .^ i;
end
% ========================================================================= % =========================================================================