The matrix RD.mat in the software distribution is a rank deficient. Let b = rand(50,1). Find the minimum norm solution to RD*x = b. Find two different solutions that produce the same residual, and...

The

matrix RD.mat in the software distribution is a rank deficient. Let b = rand(50,1).

Find the minimum norm solution to RD*x = b.

Find two different solutions that produce the same residual, and show that their norms are greater than that of the minimum norm solution.