diff --git a/matrix.c b/matrix.c
index ad00628..59fd963 100644
--- a/matrix.c
+++ b/matrix.c
@@ -4,6 +4,13 @@
 
 // TODO Matrix-Funktionen implementieren
 
+typedef struct Matrix {
+    unsigned int rows;
+    unsigned int cols;
+    MatrixType* buffer;
+} Matrix;
+
+
 Matrix createMatrix(unsigned int rows, unsigned int cols)
 {
     
diff --git a/matrix.h b/matrix.h
index cc640d1..466ef43 100644
--- a/matrix.h
+++ b/matrix.h
@@ -7,6 +7,9 @@ typedef float MatrixType;
 
 // TODO Matrixtyp definieren
 
+typedef struct Matrix;
+
+
 
 Matrix createMatrix(unsigned int rows, unsigned int cols);
 void clearMatrix(Matrix *matrix);