public MaTran Tong()
{
MaTran t = new MaTran();
for (int i = 0; i < somt; i++)
t = t.Tong(ds[i]);
return t;
}
public MaTran Tong(MaTran t2)
{
MaTran t = new MaTran();
for (int i = 0; i < n; i++)
for (int j = 0; j < n; j++)
t.a[i, j] = this.a[i, j] + t2.a[i, j];
return t;
}
public void Nhap()
{
Console.Write("Nhap cap ma tran: ");
MaTran.N = int.Parse(Console.ReadLine());
Console.Write("Nhap so ma tran: ");
somt = int.Parse(Console.ReadLine());
ds = new MaTran[somt];
for (int i = 0; i < somt; i++)
{
Console.WriteLine("Nhap ma tran thu " + i);
ds[i] = new MaTran();
ds[i].Nhap();
}
}