[sage-support] is it possible?

Helo Sage community, I want to know if Sage could deal with symbolic arrays and lists (by symbolic I mean without specifying the concrete contents of list or array) For example I want to solve a system of equations containing lists and arrays like this (here A and B are arrays; C and D lists; x,y

[sage-support] dealing with arrays and lists symbolically

Helo Sage community, I want to know if Sage could deal with symbolic arrays and lists (by symbolic I mean without specifying the concrete contents of list or array) For example I want to solve a system of equations containing lists and arrays like this (here A and A' are arrays; B and B' lists; x