【摘要】 伴随着三年新冠疫情的教学实践，线上与线下相结合的混合式课堂教学取得了良好的教学效果。从线性代数课程传统教学现状出发，基于雨课堂平台，借助腾讯会议、微信以及Onenote等智慧教学工具，分别从智慧教学、教学方法、课程思政元素渗入、Matlab软件辅助计算以及课程在密码学中的应用等几个方面进行课程教学创新能力提升，有效地提高了教学质量，为人才培养和教学改革提供了很好的实践。更多还原

【Abstract】 With the teaching practice of the epidemic for three years, the online and offline mixed classroom teaching has achieved good effects. Starting from the traditional teaching situation of linear algebra, we have improved the teaching innovation ability of the course in the teaching quality, the intelligent teaching, teaching methods and adding ideological and political elements, Matlab aided computing and its application in cryptography based on the Rain classroom, Tencent conference, Wechat and other intelligent teaching tools.Therefore,all these measures can effectively provide a good practice for talent training and teaching reform.更多还原