Some of the Matrix stuff

matrix.h

@@ -0,0 +1,15 @@
+#pragma once
+
+typedef struct {
+    int rows, columns;
+    double **numbers;
+} Matrix;
+
+Matrix* matrix_create(int rows, int columns);
+void matrix_fill(Matrix* matrix, double value);
+void matrix_free(Matrix* matrix);
+void matrix_print(Matrix *matrix);
+Matrix* matrix_copy(Matrix *matrix);
+
+
+