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scientificComputing/regression/code/lsqError.m

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Matlab

function error = lsqError(parameter, x, y)
% Objective function for fitting a linear equation to data.
%
% Arguments: parameter, vector containing slope and intercept
% as the 1st and 2nd element
% x, vector of the input values
% y, vector of the corresponding measured output values
%
% Returns: the estimation error in terms of the mean sqaure error
y_est = x .* parameter(1) + parameter(2);
error = meanSquareError(y, y_est);
end