Problem 1PP: Show that[I0AI] is invertible and find its inverse. Problem 2PP: Compute XTX, where X is partitioned as [X1 X2]. Problem 1E: In Exercises 19, assume that the matrices are partitioned conformably for block multiplication.... Problem 2E: In Exercises 19, assume that the matrices are partitioned conformably for block multiplication.... Problem 3E: In Exercises 19, assume that the matrices are partitioned conformably for block multiplication.... Problem 4E: In Exercises 19, assume that the matrices are partitioned conformably for block multiplication.... Problem 5E: In Exercises 58, find formulas for X, Y, and Z in terms of A, B and C, and justify your... Problem 6E: In Exercises 58, find formulas for X, Y, and Z in terms of A, B and C, and justify your... Problem 7E: In Exercises 58, find formulas for X, Y, and Z in terms of A, B and C, and justify your... Problem 8E: In Exercises 58, find formulas for X, Y, and Z in terms of A, B and C, and justify your... Problem 9E: Suppose A11 is an invertible matrix. Find matrices X and Y such that the product below has the form... Problem 10E: The inverse of [I00CI0ABI] is [I00ZI0XYI]. Find X, Y, and Z. Problem 11E: In Exercises 11 and 12, mark each statement True or False. Justify each answer. 11. a. If A = [A1... Problem 12E: In Exercises 11 and 12, mark each statement True or False. Justify each answer. 12. a. The... Problem 13E: Let A=[B00C], where B and C are square. Show A is invertible if and only if both B and C are... Problem 14E: Show that the block upper triangular matrix A in Example 5 is invertible if and only if both A11 and... Problem 15E: Suppose A11 is invertible. Find X and Y such that [A11A12A21A22]=[I0XI][A1100S][IY0I](7) where S =... Problem 16E: Suppose the block matrix A on the left side of (7) is invertible and A11 is invertible. Show that... Problem 17E: When a deep space probe is launched, corrections may be necessary to place the probe on a precisely... Problem 18E: Let X be an m n data matrix such that XT X is invertible, and let M = Im X(XT X)1XT. Add a column... Problem 19E: In the study of engineering control of physical systems, a standard set of differential equations is... Problem 20E: Suppose the transfer function W(S) in Exercise 19 is invertible for some s. It can be shown that the... Problem 21E: a. Verify that A2 = I when A=[1031]. b. Use partitioned matrices to show that M2 = I when... Problem 22E: Generalize the idea of Exercise 21(a) [not 21(b)] by constructing a 5 5 matrix M=[A0CD] such that... Problem 23E: Use partitioned matrices to prove by induction that the product of two lower triangular matrices is... Problem 24E: Use partitioned matrices to prove by induction mat for n = 2,3,, the n n matrix A shown below is... Problem 25E: Without using row reduction, find the inverse of A=[1200035000002000007800056] format_list_bulleted