1 files changed, 1 insertions, 1 deletions
diff --git a/matrix.h b/matrix.h
index aa95771..5ee5dc3 100644
--- a/matrix.h
+++ b/matrix.h
@@ -42,7 +42,7 @@ void matrix_swap1(Matrix *mat, MatrixSwapType t, size_t i, size_t j);
 double matrix_trace(const Matrix *mat);
 Matrix *matrix_transpose(const Matrix *mat);
 Matrix *matrix_add(const Matrix *A, const Matrix *B);
-Matrix *matrix_scale(double x, const Matrix *A);
+Matrix *matrix_scale(const Matrix *A, double x);
 Matrix *matrix_sub(const Matrix *A, const Matrix *B);
 Matrix *matrix_mult(const Matrix *A, const Matrix *B);
 Matrix *matrix_rand(size_t m, size_t n, int bound_l, int bound_u, MatrixType type);