您可以使用:

Reduce("+", my.list) / length(my.list)

根据评论，您希望 mean 和 sd 都在矩阵列表上实现，而上述方法对于 sd无法顺利运行>.试试这个:

According to comments, you want both mean and sd implemented on a list of matrices, and the above ways will not work smoothly for sd. Try this instead :

apply(simplify2array(my.list), 1:2, mean)
apply(simplify2array(my.list), 1:2, sd)