The completely positive cone `$\mathcal{K}$` over `\mathbb{R}^{n}$` is
the set of all matrices `$A$`of the form `$\sum uu^{T}$` for `$u \in
\mathbb{R}^{n}_{+}$`. Equivalently, `$A = XX{T}$` where all entries of
The completely positive cone `$\mathcal{K}$` over `\mathbb{R}^{n}$` is
the set of all matrices `$A$`of the form `$\sum uu^{T}$` for `$u \in
\mathbb{R}^{n}_{+}$`. Equivalently, `$A = XX{T}$` where all entries of