Syntax
col(Mtrx(A),Intg(n)||Interval(n1..n2))
Description
Returns the column n or the sequence of the columns n1...n2 of the matrix A, or optional argument of count,count_eq,count_inf,count_sup.
Example
col([[1,2,3],[4,5,6],[7,8,9]],1) returns [2,5,8]
col — Discussion