Removing a Row or Column From a Matrix - How to remove a row or column from a matrix while keeping all assigned units to elements in the matr - Messages
Just seems like it lends itself to manual creation of the vector used in the indices, but I suppose you just need to be creative enough.
... M:=Random.N(10,10,0,10) ... try range [-10,10] It will fetch the [i,j] submatrix from where they originate, either manually or else invention like here randomized