diff --git a/Startcode/matrix.h b/Startcode/matrix.h
index cc640d1..6b5ec23 100644
--- a/Startcode/matrix.h
+++ b/Startcode/matrix.h
@@ -6,6 +6,11 @@
 typedef float MatrixType;
 
 // TODO Matrixtyp definieren
+typedef struct {
+    unsigned int rows;
+    unsigned int cols;
+    MatrixType *buffer;
+} Matrix;
 
 
 Matrix createMatrix(unsigned int rows, unsigned int cols);