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Feb 21st, 2018
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  1. public class Main {
  2. public static void main(String[]args){
  3. int[][] tabA = new int[4][2];
  4. int[][] tabB = new int[2][3];
  5. int[][] tabC = new int[4][3];
  6. //wypelnianie macierzy
  7. for(int i=0; i<tabA.length; i++){
  8. for(int j=0; j<tabA[i].length;j++){
  9. tabA[i][j]= 2;
  10. }
  11. }
  12. for(int i=0; i<tabB.length; i++){
  13. for(int j=0; j<tabB[i].length;j++){
  14. tabB[i][j]= 1;
  15. }
  16. }
  17. //wyswietlanie macierzy
  18. for(int i=0; i<tabA.length;i++){
  19. for(int j=0; j<tabA[i].length;j++){
  20. System.out.print(tabA[i][j]+" ");
  21. }
  22. System.out.println();
  23. }
  24. System.out.println();
  25. for(int i=0; i<tabB.length;i++){
  26. for(int j=0; j<tabB[i].length;j++){
  27. System.out.print(tabB[i][j]+" ");
  28. }
  29. System.out.println();
  30. }
  31. System.out.println();
  32.  
  33. //mnozenie macierzy
  34. for(int i=0;i<tabA.length;i++){
  35. for(int j=0;j<tabB.length;j++){
  36. for(int k=0;k<tabA[i].length;k++){
  37. tabC[i][j] += tabA[i][k] * tabB[k][j];
  38. }
  39. }
  40. }
  41. //wyswietlanie pomnozonej macierzy
  42. for(int i=0; i<tabC.length;i++){
  43. for(int j=0; j<tabC[i].length;j++){
  44. System.out.print(tabC[i][j]+" ");
  45. }
  46. System.out.println();
  47. }
  48. }
  49. }
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