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Matrices

Hasse Diagrams

(a) List the ordered pairs that belong to the relation. My ANS: (a,a),(b,a)(b,b),(c,a),(c,b),(c,c),(d,a),(d,b)(d,d) (b) Find the (boolean) matrix of the relation. < my answer file attached as Mr.jpg> I did review another answer posted along the same question, but uses a different shape. I think my matrix is correct bas

Normal matrices

(See attached file for full problem description) --- Suppose that A, B, and AB are normal matrices. Prove that BA is also normal. Here some hints: the trace of matrices can be used in clever ways to prove equalities. Note that tr(A+B)=tr(A) + tr(B), tr(AB)=tr(BA) for any square A and B, and tr (C*C) 0 with equality if a

Self-Adjoint Sets

4.1. If A, B are bounded operators on H, show that (AB)*= B*A*. Even if A, B are both self-adjoint, the product AB may not be.

Multiplicative groups

(See attached file for full problem description) --- a) Recall the following definitions of the multiplicative groups GLn(k) and SLn(k) over a field k: GLn(k)={invertible n x n matrices over k} SLn(k)={A in GLn(k) such that the determinant of A=1} Prove th

Multiple Choice and some to show work/matrices

This has multiple choice answers as well as some that need some written work. The attachment shows exactly what it needs. Thanks for the time. Please Answer the following questions, some are multiple choice, others require some work. 1. Write the augmented matrix for the given system: 2. Use the system in pro

Proof : Adjoints and Sturm-Liouville Theorem

1. Let's define the operator M as follows: Mu = f(x) u'' + g(x) u' + h(x) u Now define the adjoint of M as M* and let M*v = (fv)'' - (gv)' + hv = fv'' + (2f' - g)v' + (f'' - g' + h)v Show that (M*)* = M

Determinant Functions and n-Linear Functions

Each of the following expressions defines a function D on the set of matrices over the field of real numbers. In which of these cases is D a 3-linear function? Justify your conclusions. a) D(A) = A11 + A22 + A33 b) D(A) = A11 A22 A33 Recall: Let K be a commutative ring with identity, n a positive integer, and let D

Coding Theory

Coding Theory Program -------------------------------------------------------------------------------- I have attached the specifications --> Program2.doc. I need it written in Java. I have also attached --> Program 2 Defined This will help with understanding the program. The words must be generated using matrix mult

Matrix and area of a triangle

Determinates a) In the accompanying figure, the area of the triangle ABC can be expressed as area ABC = area ADEC + area CEFB - area ADFB Use this and the fact the area of a trapezoid equals 1/2 the altitude times the sum of the parallel sides to show that: (see attached filed) Note: In the derivation of this form

Matrix relative to a basis for a linear transformation.

--- Let be the linear transformation defined by . a) If is the standard ordered basis for and is the standard ordered basis for what is the matrix of T relative to the pair b) If and , where , , , , what is the matrix T relative to the pair --- See attached file for full problem description.

Short Programming Assignment

I need help with writing a program that will generate message words (in 0's and 1's) and then compute the code words (in 0's and 1's). Ex: Generating Matrix for the (3,4) Parity check code: 100 1 010 1 001 1 derived from using the identity matrix and then solving for x,y,z in the 4th column Message words Code w

Discrete Math Definitions : Algorithm, Searching algorithm, Greedy algorithm, Composite, Prime, Relatively prime integers, Matrix, Matrix addition, Symmetric, Fundamental Theorem of Arithmetic....

On the following terms could you please give my an English text description - in your own words. Thanks. 1. Algorithm: 2. Searching algorithm: 3. Greedy algorithm: 4. Composite: 5. Prime: 6. Relatively prime integers: 7. Matrix: 8. Matrix addition: 9. Symmetric: 10. Fundamental Theorem of Arithmetic: 11. Euclidean A

Fundamental matrices

(See attached file for full problem description with the matrix) --- a) Write the fundamental matrix for the system: b) Compute the exponential matrix where A is the matrix in part a). ---

Matrices and Their Use in Coding and Encription

The use of coding has become particularly significant in recent years. One way to encrypt or code a message uses matrices and their properties. We start with a message coded into matrix form, called A. Multiply A by another matrix B to get AB and send the message. a) What would we need to decode the message at the other end t

Diagonal Matrix Representation : Linear Mapping, Basis and Kernels

A linear mapping T: R3 &#8594; R2 is defined on the standard basis vectors via: T (e1) = (0, 0), T (e2) = (1, 1), T (e3) = (1, -1) i. Calculate T(4,-1,3) ii. Find the dimension of the range of T and the dimension of the kernel of T. iii. Find the matrix representation of T relative to the standard bases in R3, R2. iv.

Invertibility of Matrices

Can you please explain to me why the columns of the nxn matrix A span R^n when A is invertible? I feel that if matrix A has columns that span R^n, then the inverse of A should likewise share that same characteristic, the spanning. But I'm not sure if that is a sufficient relationship. Can you give an example of matrix A spanning