In recect years, with the development of modern quantum mechanics, man have met and put forward many problems on matrix calculations, these problems have restrained the development of modern quantum mechanics, and have not settled now.

• 近年来，随着近代量子力学的不断发展，力学工作者遇到并提出了一系列有关矩阵的理论和计算方面的疑难问题，这些问题制约着量子力学的发展，急需数学工作者给以解答。