CSharp 实现矩阵乘法 源代码

以下是一个简单的 CSharp 矩阵乘法的示例代码：

using System;

class MatrixMultiplication
{
    static void Main()
    {
        int[,] matrixA = { { 1, 2 }, { 3, 4 } };
        int[,] matrixB = { { 5, 6 }, { 7, 8 } };

        int[,] result = MultiplyMatrices(matrixA, matrixB);

        PrintMatrix(result);
    }

    static int[,] MultiplyMatrices(int[,] matrixA, int[,] matrixB)
    {
        int rowsA = matrixA.GetLength(0);
        int colsA = matrixA.GetLength(1);
        int rowsB = matrixB.GetLength(0);
        int colsB = matrixB.GetLength(1);

        if (colsA != rowsB)
        {
            throw new ArgumentException("The number of columns in the first matrix must equal the number of rows in the second matrix.");
        }

        int[,] result = new int[rowsA, colsB];

        for (int i = 0; i < rowsA; i++)
        {
            for (int j = 0; j < colsB; j++)
            {
                for (int k = 0; k < colsA; k++)
                {
                    result[i, j] += matrixA[i, k] * matrixB[k, j];
                }
            }
        }

        return result;
    }

    static void PrintMatrix(int[,] matrix)
    {
        int rows = matrix.GetLength(0);
        int cols = matrix.GetLength(1);

        for (int i = 0; i < rows; i++)
        {
            for (int j = 0; j < cols; j++)
            {
                Console.Write("{0} ", matrix[i, j]);
            }
            Console.WriteLine();
        }
    }
}

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