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Nov 15th, 2019
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  1. package Filtracja;
  2.  
  3. import java.util.Random;
  4.  
  5. public class macierze {
  6. int[][]matrix1=new int[5][6];
  7. int[][]matrix2=new int[3][3];
  8. int[][]matrix3=new int[5][6];
  9.  
  10.  
  11. public void tworzmacierze()
  12. {
  13. Random r=new Random();
  14.  
  15. for(int i=0;i<matrix1.length;i++)
  16. {
  17. for(int j=0;j<matrix1[i].length;j++)
  18. {
  19. matrix1[i][j]=r.nextInt(10);
  20. System.out.print(matrix1[i][j]+" ");
  21. }
  22. System.out.println();
  23. }
  24.  
  25. System.out.println();
  26.  
  27. for(int i=0;i<matrix2.length;i++)
  28. {
  29. for(int j=0;j<matrix2[i].length;j++)
  30. {
  31. matrix2[i][j]=r.nextInt(10);
  32. System.out.print(matrix2[i][j]+" ");
  33. }
  34. System.out.println();
  35. }
  36.  
  37. System.out.println();
  38. }
  39.  
  40. public void filtracja()
  41. {
  42. int s=0;
  43. int s2=0;
  44. for(int i=0;i<matrix1.length;i++)
  45. {
  46. for(int j=0;j<matrix1[i].length;j++)
  47. {
  48. matrix3[i][j]=matrix1[i][j];
  49. }
  50. }
  51.  
  52. for(int a=0;a<matrix2.length;a++)
  53. {
  54. for(int b=0;b<matrix2.length;b++)
  55. {
  56. s2+=matrix2[a][b];
  57. }
  58. }
  59.  
  60. for(int i=0;i<matrix1.length-2;i++)
  61. {
  62. for(int j=0;j<matrix1[i].length-2;j++)
  63. {
  64. s=0;
  65. for(int a=0;a<matrix2.length;a++)
  66. {
  67. for(int b=0;b<matrix2.length;b++)
  68. {
  69. s+=(matrix1[i+a][j+b]*matrix2[a][b]);
  70. }
  71. }
  72. matrix3[i+1][j+1]=s/s2;
  73. }
  74. }
  75.  
  76.  
  77. }
  78.  
  79. public void pokaz() {
  80. for(int i=0;i<matrix3.length;i++)
  81. {
  82. for(int j=0;j<matrix3[i].length;j++)
  83. {
  84. System.out.print(matrix3[i][j]+" ");
  85. }
  86. System.out.println();
  87. }
  88. }
  89.  
  90. }
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