本文提出了一种利用改进的符号数算法和多窗口解码光学符号代换法则实现多值矩阵计算的光学方法。并给出两个多比特改进的符号数矩阵外积计算的实验结果。这一方法具有精度高、速度快等特点。 In this paper, an optical method for multi-valued matrix calculation using improved symbol number algorithm and multi-window decoding optical symbol substitution rule is proposed. The experimental results of the calculation of the outer product of two multi-symbol improved symbolic matrices are given. This method has the characteristics of high precision and fast speed.