static void Main3()
{
Matran a = new Matran(2, 3);
Console.WriteLine("Nhap ma tran thu 1:"); a.Nhap();
Matran b = new Matran(a);
Console.WriteLine("Nhap ma tran thu 2:");
b.Nhap();
Console.WriteLine("Ma tran thu 1"); a.print();
Console.WriteLine("Ma tran thu 2"); b.print();
Matran c = a.Tong(b);
if (c == null)
{
Console.WriteLine(" Hai ma tran co kich thuoc khac nhau");
}
else
{
Console.WriteLine("Ma tran tong"); c.print();
}
Matran d = a.Hieu(b);
if (d == null)
{
Console.WriteLine(" Hai ma tran co kich thuoc khac nhau");
}
else
{
Console.WriteLine("Ma tran hieu"); d.print();
}
Console.ReadKey();
}
public Matran(Matran t2)
{
this.sh = t2.sh;
this.sc = t2.sc;
this.a = new int[sh, sc];
for (int i = 0; i < sh; i++)
{
for (int j = 0; j < sc; j++)
{
this.a[i, j] = t2.a[i, j];
}
}
}
public Matran Hieu(Matran t2)
{
if (this.sh == t2.sh && this.sc == t2.sc)
{
Matran t1 = new Matran(this.sh, this.sc);
for (int i = 0; i < sh; i++)
{
for (int j = 0; j < sc; j++)
{
t1.a[i, j] = this.a[i, j] - t2.a[i, j];
}
}
return(t1);
}
else
{
return(null);
}
}
public Matran Tong(Matran t2)
{
if (this.sh == t2.sh && this.sc == t2.sc)
{
Matran t = new Matran(this.sh, this.sc);
for (int i = 0; i < sh; i++)
{
for (int j = 0; j < sc; j++)
{
t.a[i, j] = this.a[i, j] + t2.a[i, j];
}
}
return(t);
}
else
{
return(null);
}
}