diff --git a/linear_ops/src/macros/matrix.rs b/linear_ops/src/macros/matrix.rs
index 184b2c9..c04e965 100644
--- a/linear_ops/src/macros/matrix.rs
+++ b/linear_ops/src/macros/matrix.rs
@@ -12,6 +12,13 @@ macro_rules! impl_matrix {
 				self.array
 			}
 			#[inline]
+			pub fn from_rows(rows:[Vector<X,T>;Y])->Self
+			{
+				Matrix::new(
+					rows.map(|row|row.array),
+				)
+			}
+			#[inline]
 			pub fn map<F,U>(self,f:F)->Matrix<X,Y,U>
 			where
 				F:Fn(T)->U