10 lines
304 B
Matlab
10 lines
304 B
Matlab
function gradient = lsqGradient(parameter, x, y)
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h = 1e-1; % stepsize for derivatives
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gradient = zeros(length(parameter),1);
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for i = 1:length(parameter)
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new_p = parameter;
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new_p(i) = parameter(i) + h;
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gradient(i) = (lsqError(new_p, x, y) - lsqError(parameter, x, y))/ h;
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end
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