Teskari matritsani topish dasturi

// teskari matritsani topish dasturi

#include

using namespace std;

int main(){

int mat[3][3], i, j;

float determinant = 0;

cout << " Matritsa elementlarini kiriting:\n";

for(i = 0; i < 3; i++){

for(j = 0; j < 3; j++){

cin >> mat[i][j];

}

}

cout << "\nBerilgan matritsa:";

for(i = 0; i < 3; i++){

cout << "\n";

for(j = 0; j < 3; j++)

cout << mat[i][j] << "\t";

}

for(i = 0; i < 3; i++){

determinant = determinant + (mat[0][i] * (mat[1][(i+1)%3] * mat[2][(i+2)%3] - mat[1][(i+2)%3] * mat[2][(i+1)%3]));

}

cout << "\n\n Determinant: " << determinant;

cout << "\n\n Teskari matritsa: \n";

for(i = 0; i < 3; i++){

for(j = 0; j < 3; j++){

cout << ((mat[(j+1)%3][(i+1)%3] * mat[(j+2)%3][(i+2)%3]) - (mat[(j+1)%3][(i+2)%3] * mat[(j+2)%3][(i+1)%3]))/ determinant << "\t";

}

cout << "\n";

}

return 0;

}

//tenglama ildizlarini topishning gauss usuli

#include

#include

using namespace std;

int main()

{ int i,j,k,n;

cout<<"\n O`zgaruvchilar sonini kiriting:";

cin>>n;

float mat[n][n+1];

float res[n];

cout<<"\n Matritsaning elementlarini kiriting:\n \t ";

for(i=0;i

{

for(j=0;j

{

cin>>mat[i][j];

}

}

for(i=0;i

{

for(j=i+1;j{

if(abs(mat[i][i]) < abs(mat[j][i]))

{

for(k=0;k

{

mat[i][k]=mat[i][k]+mat[j][k];

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

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

}

}

}

}

for(i=0;i

{

for(j=i+1;j

{

float f=mat[j][i]/mat[i][i];

for(k=0;k

{

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

}

}

}

for(i=n-1;i>=0;i--)

{

res[i]=mat[i][n];

for(j=i+1;j

{

if(i!=j)

{

res[i]=res[i]-mat[i][j]*res[j];

}

}

res[i]=res[i]/mat[i][i];

}

cout<<"\n Tenglamaning idizlari\n";

for(i=0;i

{

cout<

}

return 0;

}