Inverse calculation bug fix

alopezrivera · Dec 21, 2021 · d39446c · d39446c
1 parent 27ad651
commit d39446c
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/setup.py b/setup.py
@@ -5,7 +5,7 @@
 
 setuptools.setup(
  name="linear_transforms",
- version="1.0.0.post2",
+ version="1.0.0.post3",
  author="Antonio Lopez Rivera",
  author_email="[email protected]",
  description="Python coordinate frame transform library",

diff --git a/transforms.py b/transforms.py
@@ -70,7 +70,7 @@ def I(self):
  inv_matrix = self.matrix.T
  # Negative angles
  for param in self.params:
- inv_matrix.subs(param, -param)
+ inv_matrix = inv_matrix.subs(param, f'-{param}')
  return M(matrix=inv_matrix, params=self.params)
 
  def diff(self):