inverse d'une matrice

#include

#include

#include

using

void

matI[i][j]=0;}

matinver[i][j]=matI[i][j];

mat1[i][j]=mat[i][j];}}

cout<<

matinver[i][j]=matI[i][j]/mat[i][i];}}

mat[i][j]=mat1[i][j];

matI[i][j]=matinver[i][j];

mat1[k][j]=mat[k][j]-mat[i][j]*mat[k][i];

matI[k][j]=matinver[k][j]-matinver[i][j]*mat[k][i];}}}

mat[i][j]=mat1[i][j];

matinver[i][j]=matI[i][j];}}

int

double

mat[1][1]=3; mat[1][2]=2; mat[1][3]=5; mat[1][4]=1 ; mat[1][5]=7;

mat[2][1]=1; mat[2][2]=4; mat[2][3]=0; mat[2][4]=6 ; mat[2][5]=4;

mat[3][1]=9; mat[3][2]=5; mat[3][3]=8; mat[3][4]=2; mat[3][5]=1;

mat[4][1]=6; mat[4][2]=1; mat[4][3]=3; mat[4][4]=4; mat[4][5]=6;

mat[5][1]=8; mat[5][2]=7; mat[5][3]=10; mat[5][4]=0; mat[5][5]=1;

cout<<mat[1][1]<<

cout<<mat[2][1]<<

cout<<mat[3][1]<<

cout<<mat[4][1]<<

cout<<mat[5][1]<<

inverse_matrice( mat, mat1,I, matinver);

cout<<mat1[1][1]<<

cout<<mat1[2][1]<<

cout<<mat1[3][1]<<

cout<<mat1[4][1]<<

cout<<mat1[5][1]<<

cout<<matinver[1][1]<<

cout<<matinver[2][1]<<

cout<<matinver[3][1]<<

cout<<matinver[4][1]<<

cout<<matinver[5][1]<<