... combine them element-wise. Specifically, if A andB are the same size, then A.*B is the element-by-element product of A and B,that is, the matrix whose i, j element is the product of the i, j ... returns the square of x.z = x.ˆ2;Typing sq(3) produces the answer 9, whether or not x or z is already definedin your Workspace, and neither defines them, nor changes their definitions, ifthey have ... 0.4082 -0.4082R=1000-1 0002 The eigenvector in the first column of U corresponds to the eigenvaluein the first column of R, and so on. These are numerical values for the eigenpairs. To get symbolically...