Cout.precision(2);

//Printing table header

cout<<"\"<<"t";

for (x=-1; x<=1; x+=.9)

{

cout<<x<<"t";

}

cout<<endl;

for (y=-2;y<=2;y+=1)

{

cout<<y<<"t";

for (x=-1;x<=1;x+=.9)

{

if (x*y > 0)

{

z = log(sqrt(a*pow(x,2) + b*pow(y,2)));

}