Fix a mixup between e1 and e2 in the background documentation.

diff --git a/doc/source/background.rst b/doc/source/background.rst
index 1a1605997b977824439c8db6c4d90316452b5eac..b7a00f52bc5e7c532e5907d7112559eefb450818 100644 (file)
--- a/doc/source/background.rst
+++ b/doc/source/background.rst
@@ -224,7 +224,7 @@ the two players in terms of this theorem. Player one would like to,
     &\text{ maximize }  &\nu                &\\
     &\text{ subject to }& p                 &\in K&\\
     &                   & \nu               &\in \mathbb{R}&\\
-    &                   & \left\langle p,e_{1} \right\rangle &= 1&\\
+    &                   & \left\langle p,e_{2} \right\rangle &= 1&\\
     &                   & L\left(p\right)   &\succcurlyeq \nu e_{1}.&
   \end{aligned}
 
@@ -236,7 +236,7 @@ Player two, on the other hand, would like to,
     &\text{ minimize }  &\omega                &\\
     &\text{ subject to }& q                    &\in K&\\
     &                   & \omega               &\in \mathbb{R}&\\
-    &                   & \left\langle q,e_{2} \right\rangle &= 1&\\
+    &                   & \left\langle q,e_{1} \right\rangle &= 1&\\
     &                   & L^{*}\left(q\right)  &\preccurlyeq \omega e_{2}.&
   \end{aligned}