-"""
+r"""
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}$` where all entries of
-"""
+r"""
The nonnegative orthant in `\mathbb{Z}^{n}`. I'm sick and tired of
typing it.
"""
-"""
+r"""
The symmetric positive definite cone `$S^{n}_{++}$` is the cone
consisting of all symmetric positive-definite matrices (as a subset of
$\mathbb{R}^{n \times n}$`. It is the interior of the symmetric positive
-"""
+r"""
The positive semidefinite cone `$S^{n}_{+}$` is the cone consisting of
all symmetric positive-semidefinite matrices (as a subset of
`$\mathbb{R}^{n \times n}$`