Added definition of identity matrix

mailhexu · Jan 30, 2024 · d6a8bcd · d6a8bcd
1 parent 3c50096
commit d6a8bcd
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/TB2J/io_merge.py b/TB2J/io_merge.py
@@ -4,6 +4,7 @@
 from itertools import product
 from TB2J.io_exchange import SpinIO
 
+I = np.eye(3)
 uz = np.array([[0.0, 0.0, 1.0]])
 
 def get_rotation_matrix(magmoms):