// Create a 2x3 matrix Matrixmatrix = new Matrix (2, 3); // Assign values to the matrix matrix[0, 0] = 1; matrix[0, 1] = 2; matrix[0, 2] = 3; matrix[1, 0] = 4; matrix[1, 1] = 5; matrix[1, 2] = 6; // Retrieve the second row (index 1) var row = matrix.GetRow(1); // Print the values of the second row foreach (var item in row) { Console.WriteLine(item); }
// Create a 3x3 matrix MatrixIn this example, a 3x3 matrix is created and assigned values. The GetRow method is used to retrieve the first row of the matrix, and then the sum of its values is calculated and printed.matrix = new Matrix (3, 3); // Assign values to the matrix matrix[0, 0] = 1.0; matrix[0, 1] = 2.0; matrix[0, 2] = 3.0; matrix[1, 0] = 2.0; matrix[1, 1] = 5.0; matrix[1, 2] = 7.0; matrix[2, 0] = 3.0; matrix[2, 1] = 8.0; matrix[2, 2] = 9.0; // Retrieve the first row (index 0) var row = matrix.GetRow(0); // Calculate the sum of the values in the first row double sum = 0.0; foreach (var item in row) { sum += item; } Console.WriteLine("Sum of first row: " + sum);