From 95bca69c00e66d0dfe3a2990e3e8f39eba13d255 Mon Sep 17 00:00:00 2001
From: fdo <fernandobadilla@hotmail.com>
Date: Sun, 12 Jan 2025 19:20:43 -0300
Subject: [PATCH] fix arrow head (#677)

---
 docs/source/mcdm/index.ipynb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/source/mcdm/index.ipynb b/docs/source/mcdm/index.ipynb
index 466912e3..3c3745ea 100644
--- a/docs/source/mcdm/index.ipynb
+++ b/docs/source/mcdm/index.ipynb
@@ -138,7 +138,7 @@
     "plot.add(F, color=\"blue\", alpha=0.2, s=10)\n",
     "plot.add(F[I], color=\"red\", s=30)\n",
     "plot.do()\n",
-    "plot.apply(lambda ax: ax.arrow(0, 0, 0.5, 0.5, color='black', \n",
+    "plot.apply(lambda ax: ax.arrow(0, 0, *weights, color='black', \n",
     "                               head_width=0.01, head_length=0.01, alpha=0.4))\n",
     "plot.show()"
    ]