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Matrix Multiplication In C#
Vijayaragavan S
Aug 24
2016
Code
16.2
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using
System;
class
MatrixMultiplication {
int
[, ] a;
int
[, ] b;
int
[, ] c;
public
int
m1, n1, m2, n2;
public
void
ReadMatrix() {
Console.WriteLine(
"\n Size of Matrix 1:"
);
Console.Write(
"\n Enter the number of rows in Matrix 1 :"
);
m1 = Convert.ToInt16(Console.ReadLine());
Console.Write(
"\n Enter the number of columns in Matrix 1 :"
);
n1 = Convert.ToInt16(Console.ReadLine());
a =
new
int
[m1, n1];
Console.WriteLine(
"\n Size of Matrix 2 :"
);
Console.Write(
"\n Enter the number of rows in Matrix 2 :"
);
m2 = Convert.ToInt16(Console.ReadLine());
Console.Write(
"\n Enter the number of columns in Matrix 2 :"
);
n2 = Convert.ToInt16(Console.ReadLine());
b =
new
int
[m2, n2];
if
(n1 != m2) {
Console.WriteLine(
"columns of A & Rows of B matrix are not equal"
);
Console.ReadKey();
Environment.Exit(0);
}
else
{
Console.WriteLine(
"\n Enter the elements of Matrix 1:"
);
for
(
int
i = 0; i < m1; i++) {
for
(
int
j = 0; j < n1; j++) {
a[i, j] = Convert.ToInt16(Console.ReadLine());
}
}
Console.WriteLine(
"\n Enter the elements of Matrix 2:"
);
for
(
int
i = 0; i < m2; i++) {
for
(
int
j = 0; j < n2; j++) {
b[i, j] = Convert.ToInt16(Console.ReadLine());
}
}
}
}
public
void
PrintMatrix() {
Console.WriteLine(
"\n Matrix 1:"
);
for
(
int
i = 0; i < m1; i++) {
for
(
int
j = 0; j < n1; j++) {
Console.Write(
"\t"
+ a[i, j]);
}
Console.WriteLine();
}
Console.WriteLine(
"\n Matrix 2:"
);
for
(
int
i = 0; i < m2; i++) {
for
(
int
j = 0; j < n2; j++) {
Console.Write(
"\t"
+ b[i, j]);
}
Console.WriteLine();
}
Console.WriteLine(
"\n Resultant Matrix after multiplying:"
);
for
(
int
i = 0; i < m1; i++) {
for
(
int
j = 0; j < n2; j++) {
Console.Write(
"\t"
+ c[i, j]);
}
Console.WriteLine();
}
Console.ReadLine();
}
public
void
MultiplyMatrix() {
c =
new
int
[m1, n2];
for
(
int
i = 0; i < m1; i++) {
for
(
int
j = 0; j < n2; j++) {
c[i, j] = 0;
for
(
int
k = 0; k < n1; k++) c[i, j] = c[i, j] + a[i, k] * b[k, j];
}
}
}
}
class
Matrices {
public
static
void
Main() {
MatrixMultiplication MM =
new
MatrixMultiplication();
MM.ReadMatrix();
MM.MultiplyMatrix();
MM.PrintMatrix();
}
}
Matrix Multiplication
C#