faster cofactor

miguelmaso · miguelmaso · commit f35540bc0b9b · 2025-11-11T14:57:56.000+01:00
diff --git a/src/TensorAlgebra/Functions.jl b/src/TensorAlgebra/Functions.jl
@@ -17,7 +17,7 @@ end
 Calculate the cofactor of a matrix.
 """
 function cof(A::TensorValue)
-  return det(A)*inv(A')
+  0.5A×A
 end
 
 
