diff --git a/kmath-tensors/src/commonMain/kotlin/space/kscience/kmath/tensors/core/DoubleLinearOpsTensorAlgebra.kt b/kmath-tensors/src/commonMain/kotlin/space/kscience/kmath/tensors/core/DoubleLinearOpsTensorAlgebra.kt
index 4d6d14764..82f63dd40 100644
--- a/kmath-tensors/src/commonMain/kotlin/space/kscience/kmath/tensors/core/DoubleLinearOpsTensorAlgebra.kt
+++ b/kmath-tensors/src/commonMain/kotlin/space/kscience/kmath/tensors/core/DoubleLinearOpsTensorAlgebra.kt
@@ -154,6 +154,7 @@ public class DoubleLinearOpsTensorAlgebra :
     }
 
     public fun DoubleTensor.invLU(): DoubleTensor {
+        //TODO("Andrei the det is non-zero")
         val (luTensor, pivotsTensor) = lu()
         val invTensor = luTensor.zeroesLike()