diff --git a/build.gradle.kts b/build.gradle.kts
index e14d303fc..6e1aa76f4 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -15,7 +15,7 @@ allprojects {
     }
 
     group = "space.kscience"
-    version = "0.3.0-dev-9"
+    version = "0.3.0-dev-10"
 }
 
 subprojects {
diff --git a/kmath-core/api/kmath-core.api b/kmath-core/api/kmath-core.api
index 7b09b668b..456b5cfba 100644
--- a/kmath-core/api/kmath-core.api
+++ b/kmath-core/api/kmath-core.api
@@ -500,6 +500,11 @@ public final class space/kscience/kmath/linear/LFeature : space/kscience/kmath/l
 	public static final field INSTANCE Lspace/kscience/kmath/linear/LFeature;
 }
 
+public abstract interface class space/kscience/kmath/linear/LUDecompositionFeature : space/kscience/kmath/linear/MatrixFeature {
+	public abstract fun getL ()Lspace/kscience/kmath/nd/Structure2D;
+	public abstract fun getU ()Lspace/kscience/kmath/nd/Structure2D;
+}
+
 public abstract interface class space/kscience/kmath/linear/LinearSolver {
 	public abstract fun inverse (Lspace/kscience/kmath/nd/Structure2D;)Lspace/kscience/kmath/nd/Structure2D;
 	public abstract fun solve (Lspace/kscience/kmath/nd/Structure2D;Lspace/kscience/kmath/nd/Structure2D;)Lspace/kscience/kmath/nd/Structure2D;