#define N 4
/****************************************************************/
/*								*/
/*	DAVID COLE		ME171 - matrix.h matrix.c	*/
/*					3/23/89			*/
/*								*/
/*	Repaired by Stephen Heise	3/15/93			*/
/*	Updated by Michael Scott        4/14/97			*/
/*								*/
/****************************************************************/


/************************************************/
/*						*/
/*	matrix.h				*/
/*				 		*/
/*	Declarations of matrix operations.      */
/*      Functions are defined in matrix.c       */
/*	To use: include the line		*/
/*       #include "matrix.h"                    */
/************************************************/

int invert_matrix (double mat[N][N],double inv[N][N]);
void identity_matrix (double I[N][N]);
void sq_mat_by_mat(double a[N][N],double b[N][N],double c[N][N]);
void row_by_mat(double rowin[N],double mat[N][N],double rowout[N]);
void mat_by_col(double colin[N],double mat[N][N],double colout[N]);
double	dot_product(double x[N],double y[N]);