协方差矩阵
covm(A)用来计算矩阵的协方差矩阵
A | |
1 | [[8,1,16],[3,5,7],[4,9,2]] |
2 | =covm(A1) |
A2计算A1 的协方差矩阵
"covm(A)用来计算矩阵的协方差矩阵 A 1 [[8,1,16],[3,5,7],[4,9,2]] 2 =covm(A1) A2计算A1 的协方差矩阵"
covm(A)用来计算矩阵的协方差矩阵
A | |
1 | [[8,1,16],[3,5,7],[4,9,2]] |
2 | =covm(A1) |
A2计算A1 的协方差矩阵
| |||||||