From 06ed09dccf51374f8f6a2d9ee3c5a412c06b8e4d Mon Sep 17 00:00:00 2001
From: augustodamasceno <augustodamasceno@protonmail.com>
Date: 2023年1月22日 15:20:04 -0300
Subject: [PATCH] Fix Documentation User-Defined Mutation Operator Example: the
 number of genes is the offspring shape dimension index 1.
---
 docs/source/README_pygad_ReadTheDocs.rst &#124; 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/docs/source/README_pygad_ReadTheDocs.rst b/docs/source/README_pygad_ReadTheDocs.rst
index 71a4f7d1..423bd65d 100644
--- a/docs/source/README_pygad_ReadTheDocs.rst
+++ b/docs/source/README_pygad_ReadTheDocs.rst
@@ -2261,7 +2261,7 @@ gene's value.
 def mutation_func(offspring, ga_instance):
 
 for chromosome_idx in range(offspring.shape[0]):
- random_gene_idx = numpy.random.choice(range(offspring.shape[0]))
+ random_gene_idx = numpy.random.choice(range(offspring.shape[1]))
 
 offspring[chromosome_idx, random_gene_idx] += numpy.random.random()
 
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