Is there a way to check if a vector v is in the linear span of a given
family of vectors v1,...vn?
I don't think I saw such a function in the base library but I may have
missed it.
I can use something like
rank([v;v1...vn]) == rank([v1...vn])
but that looks inefficient.
Also is there any f
Sorry if it's out of topic of the group.
What is the name of the operation which makes transformation :
[a b c; d e f; g h t] -> [a b c; 0 d e; 0 0 g]
It shifts rows to the right and fills left trailing values by zeros.
