1. is Vertical Matrix ?
`[[1,2],[4,5],[7,8]]`Solution:A matrix, in which number of columns is less than the number of rows, is called a vertical matrix.
The number of columns(2) is less than the number of rows(3), So `A` is a vertical matrix
2. is Vertical Matrix ?
`[[1,2,3],[4,5,6],[7,8,9]]`Solution:A matrix, in which number of columns is less than the number of rows, is called a vertical matrix.
| `A` | = | | `1` | `2` | `3` | | | `4` | `5` | `6` | | | `7` | `8` | `9` | |
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The number of columns(3) is not less than the number of rows(3), So `A` is not a vertical matrix
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