From 573a1c44039e5e1701dd461a4431c3da1faf1953 Mon Sep 17 00:00:00 2001
From: amosbrazzoli <43097283+amosbrazzoli@users.noreply.github.com>
Date: Thu, 15 Apr 2021 19:09:43 +0200
Subject: [PATCH] Update HMM.py

Fixes the following error due to trying to index with a float
IndexError: only integers, slices (`:`), ellipsis (`...`), numpy.newaxis (`None`) and integer or boolean arrays are valid indices

in python 3.8 numpy 1.20.2
---
 Ch16/HMM.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Ch16/HMM.py b/Ch16/HMM.py
index 9889d95..a3fed28 100755
--- a/Ch16/HMM.py
+++ b/Ch16/HMM.py
@@ -70,7 +70,7 @@ def Viterbi(pi,a,b,obs):
 
 	path[T-1] = np.argmax(delta[:,T-1])
 	for t in range(T-2,-1,-1):
-		path[t] = phi[path[t+1],t+1]
+		path[t] = phi[int(path[t+1]),t+1]
 
 	return path,delta, phi