diff --git a/src_main/math/pimathcomplex.h b/src_main/math/pimathcomplex.h
index b615797a..254c25b2 100644
--- a/src_main/math/pimathcomplex.h
+++ b/src_main/math/pimathcomplex.h
@@ -107,4 +107,13 @@ inline PIVector<double> abs(const PIVector<complexd> & v) {
 	return result;
 }
 
+
+inline PIVector2D<double> abs(const PIVector2D<complexd> & v) {
+	PIVector2D<double> result(v.rows(), v.cols());
+	for (uint i = 0; i < v.rows(); i++)
+		for (uint j = 0; j < v.cols(); j++)
+			result[i][j] = abs(v.element(i,j));
+	return result;
+}
+
 #endif // PIMATHCOMPLEX_H