Hi, need some help for this Question :

Given a 4 x 4 circular matrixCdefined in terms of its row vectors as

c1 = [a b c d],

c2 = [d a b c],

c3 = [c d a b], and

c4 = [b c d a].

IsCa symmetric matrix?

ComputeD = S C R.

Really appreciate some kinds of help can be offered to this Question.