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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5. using System.Threading.Tasks;
  6.  
  7. class Matrix {
  8.     protected int row, column;
  9.     protected int[,] ARRAY;
  10.  
  11.     public int ROW {
  12.         get { return  row; }
  13.         set { row = value; }
  14.     }
  15.  
  16.     public int COLUMN {
  17.         get { return  column; }
  18.         set { column = value; }
  19.     }
  20.  
  21.     public Matrix() {
  22.  
  23.     }
  24.  
  25.     public Matrix(int row, int column) {
  26.         this.row = ROW;
  27.         this.column = COLUMN;
  28.  
  29.         ARRAY = new int[this.COLUMN, this.ROW];
  30.     }
  31.  
  32.     public void EnterMatrix() {
  33.         Console.WriteLine("enter the numbers of matrix columns: ");
  34.         COLUMN = int.Parse(Console.ReadLine());
  35.         Console.WriteLine("enter the numbers of matrix rows: ");
  36.         ROW = int.Parse(Console.ReadLine());
  37.  
  38.         ARRAY = new int[COLUMN, ROW];
  39.  
  40.         for (int col = 0; col < COLUMN; col++) {
  41.             for (int row = 0; row < ROW; row++) {
  42.                 Console.WriteLine("enter the elements of matrix cell[" + (col + 1) + ":" + (row + 1) + "]: ");
  43.                 ARRAY[col, row] = int.Parse(Console.ReadLine());
  44.             }
  45.         }
  46.     }
  47.  
  48.     public void Display() {
  49.         for (int col = 0; col < COLUMN; col++) {
  50.             Console.WriteLine("\n");
  51.             for (int row = 0; row < ROW; row++) {
  52.                 Console.Write("{0}\t", ARRAY[col, row]);
  53.             }
  54.         }
  55.         Console.WriteLine();
  56.     }
  57.  
  58.     public void ARRAYxARRAY(int[,] firstMatrix, int[,] secondMatrix, int[,] mult, 
  59.                             int rowFirst,       int columnFirst,     
  60.                             int rowSecond,      int columnSecond) {
  61.         for (int i = 0; i < rowFirst; i++) {
  62.             for (int j = 0; j < columnSecond; j++) {
  63.                 mult[i, j] = 0;
  64.             }
  65.         }
  66.  
  67.         for (int i = 0; i < rowFirst; i++) {
  68.             for (int j = 0; j < columnSecond; j++) {
  69.                 for (int k = 0; k < columnFirst; k++) {
  70.                     mult[i, j] += firstMatrix[i, k];
  71.                 }
  72.             }
  73.         }
  74.     }
  75.  
  76.     public void ARRAYxARRAY(Matrix Matrix, int a) {
  77.         for (int col = 0; col < COLUMN; col++) {
  78.             for (int row = 0; row < ROW; row++) {
  79.                 ARRAY[col, row] = a * Matrix.ARRAY[col, row];
  80.             }
  81.         }
  82.     }
  83.  
  84.     public void ARRAYxARRAY(int a, Matrix Matrix) {
  85.         for (int col = 0; col < COLUMN; col++) {
  86.             for (int row = 0; row < ROW; row++) {
  87.                 ARRAY[col, row] = a * Matrix.ARRAY[col, row];
  88.             }
  89.         }
  90.     }
  91.  
  92.     public void ARRAYxARRAY(Matrix fMatrix, Matrix sMatrix) {
  93.         for (int col = 0; col < COLUMN; col++) {
  94.             for (int row = 0; row < ROW; row++) {
  95.                 ARRAY[col, row] += fMatrix.ARRAY[col, row] * sMatrix.ARRAY[col, row];
  96.             }
  97.         }
  98.     }
  99.  
  100.     public void ARRAYxARRAY(Matrix Matrix, Vector Vector) {
  101.         for (int col = 0; col < COLUMN; col++) {
  102.             for (int row = 0; row < ROW; row++) {
  103.                 ARRAY[col, row] += Matrix.ARRAY[col, row] * Vector.ARRAY[col, row];
  104.             }
  105.         }
  106.     }
  107.  
  108.     ~Matrix() {
  109.         Console.WriteLine("Matrix has been denied.");
  110.     }
  111. }
  112.  
  113. class Vector : Matrix {
  114.     public Vector() {
  115.  
  116.     }
  117.  
  118.     public Vector(int row, int column) {
  119.         this.row = ROW;
  120.         this.column = COLUMN;
  121.  
  122.         ARRAY = new int[this.COLUMN, this.ROW];
  123.     }
  124.  
  125.     public void EnterVector() {
  126.         Console.WriteLine("Choose type of vector: " +
  127.                           "\nvector-row= [1]"       +
  128.                           "\nvector-col= [2]");
  129.         int variant = int.Parse(Console.ReadLine());
  130.  
  131.         if (variant == 1) {
  132.             COLUMN = 1;
  133.             Console.WriteLine("enter the number of vector elements: ");
  134.             ROW = int.Parse(Console.ReadLine());
  135.         }
  136.         else if (variant == 2) {
  137.             ROW = 1;
  138.             Console.WriteLine("enter the numbers of vector elements: ");
  139.             COLUMN = int.Parse(Console.ReadLine());
  140.         }
  141.  
  142.         ARRAY = new int[COLUMN, ROW];
  143.  
  144.         for (int col = 0; col < COLUMN; col++) {
  145.             for (int row = 0; row < ROW; row++) {
  146.                 Console.WriteLine("enter the elements of matrix cell[" + (col + 1) + ":" + (row + 1) + "]: ");
  147.                 ARRAY[col, row] = int.Parse(Console.ReadLine());
  148.             }
  149.         }
  150.     }
  151.  
  152.     public void ARRAYxARRAY(Vector fVector, Vector sVector) {
  153.         for (int col = 0; col < COLUMN; col++) {
  154.             for (int row = 0; row < ROW; row++) {
  155.                 ARRAY[col, row] += fVector.ARRAY[col, row] * sVector.ARRAY[col, row];
  156.             }
  157.         }
  158.     }
  159.  
  160.     ~Vector() {
  161.         Console.WriteLine("Vector has been denied.");
  162.     }
  163. }
  164.  
  165. class Test {
  166.     static void Main() {
  167.         Matrix MATRIX = new Matrix();
  168.                MATRIX.EnterMatrix();
  169.         Console.WriteLine("The matrix is: ");
  170.                MATRIX.Display();
  171.  
  172.         Console.WriteLine("\n");
  173.  
  174.         Vector VECTOR = new Vector();
  175.                VECTOR.EnterVector();
  176.         Console.WriteLine("The matrix is: ");
  177.                VECTOR.Display();
  178.  
  179.         while (true) {
  180.             Console.Write("Select anoperation:\n"
  181.                 + "\t1. matrix * matrix;\n"
  182.                 + "\t2. matrix * vector;\n"
  183.                 + "\t3. number * matrix;\n"
  184.                 + "\t4. vector * matrix;\n"
  185.                 + "\t5. vector * vector;\n"
  186.                 + "\t6. number * vectir;\n");
  187.             int choice = int.Parse(Console.ReadLine());
  188.  
  189.             switch (choice) {
  190.                 case 1: Matrix MATRIXbyMATRIX = new Matrix();
  191.                                MATRIXbyMATRIX.ARRAYxARRAY(MATRIX, MATRIX);
  192.                                MATRIXbyMATRIX.Display();
  193.                     break;
  194.                 case 2:
  195.                        Matrix MATRIXbyVECTOR = new Matrix();
  196.                               MATRIXbyVECTOR.ARRAYxARRAY(MATRIX, VECTOR);
  197.                               MATRIXbyVECTOR.Display();
  198.                     break;
  199.                 case 3:
  200.                        Matrix NUMBERbyMATRIX = new Matrix();
  201.                               Console.Write("enter the number to multiply by: ");
  202.                               int numb1 = int.Parse(Console.ReadLine());
  203.                               NUMBERbyMATRIX.ARRAYxARRAY(numb1, MATRIX);
  204.                               NUMBERbyMATRIX.Display();
  205.                     break;
  206.                 case 4:
  207.                        Matrix VECTORbyMATRIX = new Matrix();
  208.                               VECTORbyMATRIX.ARRAYxARRAY(VECTOR, MATRIX);
  209.                               VECTORbyMATRIX.Display();
  210.                     break;
  211.                 case 5:
  212.                     Matrix VECTORbyVECTOR = new Matrix();
  213.                            VECTORbyVECTOR.ARRAYxARRAY(VECTOR, VECTOR);
  214.                            VECTORbyVECTOR.Display();
  215.                     break;
  216.                 case 6:
  217.                     Matrix NUMBERbyVECTOR = new Matrix();
  218.                     Console.Write("enter the number to multiply by: ");
  219.                     int numb2 = int.Parse(Console.ReadLine());
  220.                     NUMBERbyVECTOR.ARRAYxARRAY(numb2, VECTOR);
  221.                     NUMBERbyVECTOR.Display();
  222.                     break;
  223.                 default:
  224.             	return;
  225.             }
  226.         }
  227.     }
  228. }
Success #stdin #stdout 0.03s 15108KB
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stdout
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enter the numbers of matrix columns: 
enter the numbers of matrix rows: 
enter the elements of matrix cell[1:1]: 
enter the elements of matrix cell[1:2]: 
enter the elements of matrix cell[1:3]: 
enter the elements of matrix cell[2:1]: 
enter the elements of matrix cell[2:2]: 
enter the elements of matrix cell[2:3]: 
enter the elements of matrix cell[3:1]: 
enter the elements of matrix cell[3:2]: 
enter the elements of matrix cell[3:3]: 
The matrix is: 


1	0	0	

0	1	0	

0	0	1	


Choose type of vector: 
vector-row= [1]
vector-col= [2]
enter the numbers of vector elements: 
enter the elements of matrix cell[1:1]: 
enter the elements of matrix cell[2:1]: 
enter the elements of matrix cell[3:1]: 
The matrix is: 


1	

2	

3	
Select anoperation:
	1. matrix * matrix;
	2. matrix * vector;
	3. number * matrix;
	4. vector * matrix;
	5. vector * vector;
	6. number * vectir;

Select anoperation:
	1. matrix * matrix;
	2. matrix * vector;
	3. number * matrix;
	4. vector * matrix;
	5. vector * vector;
	6. number * vectir;
Vector has been denied.
Matrix has been denied.
Matrix has been denied.
Matrix has been denied.
https://ideone.com/hZuLFW
language:
C# (gmcs 5.20.1)
created:
5 years ago
visibility:
public

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