Erase

erase(List | Vector, Integer | List | Vector | Range)

erase(Matrix, Integer | List | Vector | Range)

Given a list or vector $L$, and integers or sets of integers $i_1,...,i_n$, erase the elements in $L$ at positions $i_1, ..., i_n$.

Given a matrix $M$, and two sets sets of integers $i_1, ..., i_n$ and $j_1,...,j_r$, erase rows $i_1, ..., i_n$ and columns $j_1, ..., j_r$.

Index erase, Index