public MaTran subMatrices(MaTran arr2)
{
MaTran mt = new MaTran(m, n);
for (int i = 0; i < m; ++i)
{
for (int j = 0; j < n; ++j)
{
mt.a[i, j] = a[i, j] - arr2.a[i, j];
}
}
return(mt);
}
public MaTran mulMatrices(MaTran arr2)
{
MaTran mt = new MaTran(m, arr2.n);
for (int i = 0; i < m; ++i)
{
for (int j = 0; j < arr2.n; ++j)
{
mt.a[i, j] = 0;
for (int k = 0; k < n; ++k)
{
mt.a[i, j] += a[i, k] * arr2.a[k, j];
}
}
}
return(mt);
}
static void Main(string[] args)
{
MaTran a = new MaTran();
MaTran b = new MaTran();
MaTran c = new MaTran();
a.input();
a.output();
b.input();
b.output();
if (a.getter_m() == b.getter_m() && a.getter_n() == b.getter_n())
{
c = a.addMatrices(b);
Console.WriteLine("\nTong cua 2 ma tran:");
c.output();
c = a.subMatrices(b);
Console.WriteLine("\nHieu cua 2 ma tran:");
c.output();
}
else
{
Console.WriteLine("\nKhong tinh duoc tong, hieu cua 2 ma tran.");
}
if (a.getter_n() == b.getter_m())
{
c = a.mulMatrices(b);
Console.WriteLine("\nTich cua 2 ma tran:");
c.output();
}
else
{
Console.WriteLine("\nKhong tinh duoc tich cua 2 ma tran.");
}
}
