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 MaTranHieu(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);
}
}