Merge pull request #7 from nathanrooy/dev

fixed easom function
nathanrooy · Jan 19, 2021 · bc9784e · bc9784e
2 parents 25f1f5d + 494f0ea
commit bc9784e
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diff --git a/landscapes/single_objective.py b/landscapes/single_objective.py
@@ -746,7 +746,7 @@ def easom(xy):
     bounds: -100 <= x, y <= 100
     '''
     x, y = xy[0], xy[1]
-    return -cos(x)*cos(y)*exp(-((x-pi)**2 + (y-pi)**2))
+    return -cos(x)*cos(y)*exp(-((x-pi)**2 - (y-pi)**2))
 
 
 def eggholder(xy):

diff --git a/setup.py b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name='landscapes',
-    version='0.0.11',
+    version='0.0.12',
     author='Nathan A. Rooy',
     author_email='[email protected]',
     url='https://github.com/nathanrooy/landscapes',