markdown 行列を作る

Posted 2021-05-06

行ベクトルを与える場合
```
> rbind(c(1,2,3),c(4,5,6))
# =>
     [,1] [,2] [,3]
[1,]    1    2    3
[2,]    4    5    6
```
列ベクトルを与える場合
```
> cbind(c(1,2,3),c(4,5,6))
     [,1] [,2]
[1,]    1    4
[2,]    2    5
[3,]    3    6
> 
```