a - c For the following matrices check the statement: “If a matrix X has full...
1. Determine if each of the following matrices is singular use the determinant to check, use Gauss-Jordan Spring 2019 HW5 method to find the inverse of the non-singular matrices, what is the rank of each matrix. 2. (a) Write the system of linear equations in the form of Ax = b (b) Use Gauss-Jordan method to find A-1 (c) Use A-1 to solve the system of equations
1 -1 -b 1 The inverse of matrix A is (see explanation in Sec. 5.6) and d lo+Go A-1 1 1-blb 1 Thus the solution of the model isx A d, or CISE 4.6 1.Given A-B1--B -t].and c-l 1 0 9 ].find A, e-arnd C -1 3 , find A, 8', and C 2. Use the matrices given in Prob. 1 to verify that 3. Generalize the result (4.11) to the case of a product of three matrices by proving...
Algebra of matrices. 3. (a) If A is a square matrix, what does it mean to say that B is an inverse of A (b) Define AT. Give a proof that if A has an inverse, then so does AT. (c) Let A be a 3 x 3 matrix that can be transformed into the identity matrix by perform ing the following three row operations in the given order: R2 x 3, Ri R3, R3+2R1 (i) Write down the elementary...
1. On Inverting Matrices, using Gauss-Jordan (a) Consider the following matrix A. If the inverse of A exists, com- pute A-1, else say so. A 1 3 INVERSE OF MATRICES 15 (b) Consider the following matrix A. If the inverse of A exists, com- pute A-1, else say so. A-(3) 0 1 (c) Consider the following matrix A. If the inverse of A exists, com- pute A1, else say so. 0 2 (d) Consider the following matrix A. If the...
tut3.1 1. Find the modal matrices M for 1 3 3 5 -1 2 0 1 2 (a) A (b) A (c) A =0 3 0 4 2 3 3 and check by direct matrix multiplication that M 'AM results in the correspond ing spectral matrices A 1. Find the modal matrices M for 1 3 3 5 -1 2 0 1 2 (a) A (b) A (c) A =0 3 0 4 2 3 3 and check by direct...
Consider a linear system Ax b,and the SVD of the matrix A UXVH (a) please use matrices U, V, 2 to express the pseudo-inverse of the linear system. (b) please show that Av1 1u1, Av2 = 02u2,, Av, a,l,, where ris the rank of the matrix 2 0 (c) If A is a 3x2 matrix A = ( 0 0, calculate its reduced SVD (that is, find its U, 2, V); 0 Consider a linear system Ax b,and the SVD...
Use MATLAB to write your codes Consider a matrix A with block matrices as follows: A = {A-11 A_12 0 A-22] It can be shown that the inverse of A can be calculated by inverse of submatrices if A11, and A22 are squared matrices: A^-1 = [A_11 A_12 0 A_22] = [A6-1 _11 -A^-1 _11 A_12 A^-1 _22 0 A^-1 _22 Now consider a Matrix A with following submatrices: A11 = identity matrix A22 = identity matrix A12 = [12...
1. Determine which of the following matrices are invertible. Use the Invertible Matrix Theorem (or other theorems) to justify why each matrix is invertible or not. Try to do as few computations as possible. (2) | 5 77 (a) 1-3 -6] [ 3 0 0 1 (c) -3 -4 0 | 8 5 -3 [ 30-37 (e) 2 0 4 [107] F-5 1 47 (d) 0 0 0 [1 4 9] ſi -3 -67 (d) 0 4 3 1-3 6...
2. Partitioned matrices A matrix A is a (2 x 2) block matrix if it is represented in the form [ A 1 A2 1 A = | A3 A4 where each of the A; are matrices. Note that the matrix A need not be a square matrix; for instance, A might be (7 x 12) with Aj being (3 x 5), A2 being (3 x 7), A3 being (4 x 5), and A4 being (4 x 7). We can...
3 part question about inverse of matrices. please help!! Find the inverse of the matrix (if it exists). (If an answer does not exist, enter DNE.) [70] 05 415 E Find the inverse of the matrix (if it exists). (If an answer does not exist, enter DNE.) E = Find the inverse of the matrix (if it exists). (If an answer does not exist, enter DNE.) 1-1 2 4 -1 1 2 | -2 25 Use the inverse matrices to...