Quadratic fidelity
= Quadratic fidelity
{title2=$\frac12\|u-f\|_2^2$}
The squared-error term $\frac12\|u-f\|_2^2$ is a <strictly convex> cost measuring agreement with data.
= Quadratic fidelity
{title2=$\frac12\|u-f\|_2^2$}
The squared-error term $\frac12\|u-f\|_2^2$ is a <strictly convex> cost measuring agreement with data.