public static Matran operator *(Matran a, Matran b)
{
Matran m;
int hangC = a.h;
int cotC = a.c;
m = new Matran(hangC, cotC);
if (a.c != b.h)
{
Console.WriteLine("\n\t Khong nhan duoc 2 ma tran!!! \n");
}
else
{
for (int i = 0; i < hangC; i++)
{
for (int j = 0; j < cotC; j++)
{
m.M[i, j] = 0;
for (int k = 0; k < b.h; k++)
{
m.M[i, j] += a.M[i, k] * b.M[k, j];
}
}
}
}
return(m);
}
public static Matran operator *(Matran a, Matran b)
{
Matran c = new Matran(a.hang, a.cot);
for (int i = 0; i < a.hang; i++)
{
for (int j = 0; j < b.cot; j++)
{
c.a[i, j] = 0;
}
}
for (int i = 0; i < a.hang; i++) //hang cua ma tran thu nhat
{
for (int j = 0; j < b.cot; j++) //cot cua ma tran thu hai
{
int sum = 0;
for (int k = 0; k < a.cot; k++)
{
sum = sum + a.a[i, k] * b.a[k, j];
}
c.a[i, j] = sum;
}
}
return(c);
}
public Matran Tong()
{
Matran t = new Matran
();
for (int i = 0; i < somt; ++i)
{
t = t.Tong(ds[i]);
}
return(t);
}
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 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 cho 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();
}
}
public Matran NghichDaoMaTran()
{
Matran c = new Matran(cot, hang);
for (int i = 0; i < cot; i++)
{
for (int j = 0; j < hang; j++)
{
c.a[i, j] = a[j, i];
}
}
return(c);
}
public static Matran operator +(Matran a, Matran b)
{
Matran c = new Matran(a.hang, a.cot);
for (int i = 0; i < a.hang; i++)
{
for (int j = 0; j < a.cot; j++)
{
c.a[i, j] = a.a[i, j] + b.a[i, j];
}
}
return(c);
}
public Matran chuyenvi(Matran a)
{
Matran m;
int hangC = a.h;
int cotC = a.c;
m = new Matran(hangC, cotC);
for (int i = 0; i < hangC; i++)
{
for (int j = 0; j < cotC; j++)
{
m.M[j, i] = a.M[i, j];
}
}
return(m);
}
static void Main(string[] args)
{
Matran a = new Matran();
Matran b = new Matran();
Matran c = new Matran();
a.NhapMatran();
b.NhapMatran();
Console.WriteLine("----------------------------------------------------");
Console.WriteLine("Ma tran a da nhap");
a.XuatMatran();
Console.WriteLine("----------------------------------------------------");
Console.WriteLine("Ma tran b da nhap");
b.XuatMatran();
Console.WriteLine("----------------------------------------------------");
Console.WriteLine("Cong 2 ma tran");
try
{
c = a + b;
c.XuatMatran();
}
catch
{
Console.WriteLine("Khong the cong hai ma tran khong bang nhau");
}
Console.WriteLine("----------------------------------------------------");
Console.WriteLine("Nhan 2 ma tran");
try
{
c = a * b;
c.XuatMatran();
}
catch
{
Console.WriteLine("Khong the nhan hai ma tran khong bang nhau");
}
Console.WriteLine("----------------------------------------------------");
Console.WriteLine("Ma tran nghich dao");
c = a.NghichDaoMaTran();
c.XuatMatran();
Console.ReadLine();
}
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);
}
}
public double Tongduongcheochinh(Matran a)
{
double sum = 0;
int kq;
for (int i = 0; i < a.h; i++)
{
for (int j = 0; j < a.c; j++)
{
if (i == j)
{
sum += a.M[i, j];
}
}
kq = (int)sum;
}
return(sum);
}
public static Matran operator +(Matran a, Matran b)
{
Matran m;
int hangC = a.h;
int cotC = a.c;
m = new Matran(hangC, cotC);
if (a.h == b.h && a.c == b.c)
{
for (int i = 0; i < hangC; i++)
{
for (int j = 0; j < cotC; j++)
{
m.M[i, j] = a.M[i, j] + b.M[i, j];
}
}
}
else
{
Console.WriteLine("\n\t Khong cong duoc 2 ma tran!!! \n");
}
return(m);
}
static void Main(string[] args)
{
Matran m = new Matran();
m.NhapMT();
m.XuatMT();
Matran n = new Matran();
n.NhapMT();
n.XuatMT();
Console.WriteLine("\t\tTong 2 ma tran");
Matran tong = m + n;
tong.XuatMT();
Console.WriteLine("\t\tHieu 2 ma tran");
Matran hieu = m - n;
hieu.XuatMT();
Console.WriteLine("\t\tTich 2 ma tran");
Matran tich = m * n;
tich.XuatMT();
Console.WriteLine("Nhap ma tran moi de chuyen vi!!!!");
Matran k = new Matran();
k.NhapMT();
k.XuatMT();
Console.WriteLine("\tChuyen vi ma tran vua nhap: ");
Matran cv = new Matran();
k = cv.chuyenvi(k);
k.XuatMT();
Console.WriteLine("So sanh 2 ma tran!!!!");
Matran a = new Matran();
m.NhapMT();
m.XuatMT();
Matran b = new Matran();
n.NhapMT();
n.XuatMT();
Console.WriteLine("Hai ma tran bang nhau: {0}", a == b);
Console.WriteLine("Hai ma tran khac nhau: {0}", a != b);
Console.WriteLine("Nhap ma tran moi de tinh Tong duong cheo chinh !!!!");
Matran h = new Matran();
h.NhapMT();
h.XuatMT();
Console.WriteLine("\tTong duong cheo chinh cua ma tran vua nhap: ");
Console.Write("Ket qua: {0}\n", h.Tongduongcheochinh(h));
Console.WriteLine("\tKiem tra ma tran doi xung!!! ");
Matran DX = new Matran();
DX.NhapMT();
DX.XuatMT();
cv = cv.chuyenvi(DX);
if (DX != cv)
{
Console.WriteLine("Ma Tran vua nhap khong phai ma tran vuong doi xung");
}
else
{
Console.WriteLine("Ma Tran vua nhap la ma tran vuong doi xung");
}
Console.ReadLine();
}