From c9b6b9a5ca082fe7c1b6f58d7713f785a9eb6a5c Mon Sep 17 00:00:00 2001 From: Martial Simon Date: Mon, 15 Sep 2025 01:08:27 +0200 Subject: add: graphs et rushs --- .../java/fr/epita/assistants/maths/Matrix.java | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 graphs/java/test1/src/main/java/fr/epita/assistants/maths/Matrix.java (limited to 'graphs/java/test1/src/main') diff --git a/graphs/java/test1/src/main/java/fr/epita/assistants/maths/Matrix.java b/graphs/java/test1/src/main/java/fr/epita/assistants/maths/Matrix.java new file mode 100644 index 0000000..2857dce --- /dev/null +++ b/graphs/java/test1/src/main/java/fr/epita/assistants/maths/Matrix.java @@ -0,0 +1,33 @@ +package fr.epita.assistants.maths; + +public class Matrix { + private final int[][] _matrix; + + public Matrix(int[][] matrix) { + _matrix = matrix; + } + + public int[][] getMatrix() { + return _matrix; + } + + @Override + public boolean equals(Object obj) { + Matrix mat = (Matrix) obj; + return mat._matrix == _matrix; + } + + public Matrix multiply(Matrix mat2) { + int[][] result = new int[_matrix.length][_matrix[0].length]; + + for (int i = 0; i < _matrix.length; i++) + for (int j = 0; j < mat2._matrix[0].length; j++) { + int value = 0; + for (int x = 0, y = 0; x < _matrix[i].length && y < mat2._matrix.length; x++, y++) + value += _matrix[i][x] * mat2._matrix[y][j]; + + result[i][j] = value; + } + return new Matrix(result); + } +} -- cgit v1.2.3