view general/numerical/scalar/quadf.m @ 29:61921dceded1

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% quadf - scalar quadratic form
%
% quadf :: [Size], real -> [Size].
% quadf :: [Size] -> [Size].
%
% Scalar function: quadf(x,s) = -x^2/(2*s), s defaults to 1.
function y=quadf(x,s), if nargin<2, y=-(x.^2)/2; else y= -(x.^2)/(2*s); end