expect Ws = 7.060606 result Ws [][][][] lo = 7.060606 result Ws [,,,] lo = 7.060606 result Ws [][][][] hi = 7.060606 result Ws [,,,] hi = 7.060606 expect Xs = 8.150808 result Xs [][][][] lo = 8.150808 result Xs [,,,] lo = 8.150808 result Xs [][][][] hi = 8.150808 result Xs [,,,] hi = 8.150808