Matrix Operations

Welcome to the "Matrix Operations" category on Questions LLC! Whether you're a math enthusiast, a student learning linear algebra, or someone with a keen interest in matrices and their applications, this category is the perfect place for you. Here, you will find a wide range of questions and discussions related to various matrix operations. From basic concepts such as addition and multiplication to more advanced topics like determinants, inverses, and eigenvalues, this category covers it all. Dive into the world of matrices and expand your knowledge by exploring the questions and answers shared by our community of experts and enthusiasts. Get ready to unravel the mysteries of matrices and sharpen your problem-solving skills in this fascinating field of mathematics.

Questions (172)

Find the entries of the following matrices:(a) the 2 ×2 matrix M for the reflection across the line y = x. (b) the 2 ×2 matrix
1. 5 answers
2. asked by Eunice
3. 2,186 views
Add matrix M and matrix N.M=⎡⎣⎢124−9⎤⎦⎥ N=⎡⎣⎢872⎤⎦⎥ (1 point) Responses M+N=[2011 −7] upper M plus
1. 3 answers
2. asked by .
3. 31 views
Subtract the matrices. Which response is the difference in the values in the first row, second column?[392515281921]−[24162322
1. 1 answer
2. asked anonymously
3. 49 views
Subtract the matrices. Which response is the difference in the values in the first row, second column?[392515281921]−[24162322
1. 1 answer
2. asked anonymously
3. 17 views
Multiply the following matrix with the given scalar. (1 point)3 {9 8} {10 4} {6 5} ANSWER [27 20] [30 12] [18 20] [12 11] [13 7]
1. 3 answers
2. asked by local.trin
3. 13 views
Suppose T: ℝ2→ℝ3 is a linear transformation. Let U, V and W be the vectors given below, and suppose that T(U) and T(V) are
1. 2 answers
2. asked by Big L
3. 556 views
Prove that the trace is a similarity invariant.In other words, if two matrices are similar, then they must have the same trace.
1. 1 answer
2. asked by mathstudent
3. 661 views
Matrix Algebra AssignmentLet A= 4 −1 6 9 and B= 0 3 3 −2 Find: 1. A + B 2. AB 3. BA 4. A' (the transpose of A). 5. What is
1. 1 answer
2. asked by Shavon
3. 402 views
11product AB of the two matricesA= 1 2 3 4 And B= 1 2 3 4
1. 2 answers
2. asked anonymously
3. 56 views
Find the inverse of the matrix[1 2 3 1]
1. 2 answers
2. asked by Sinachi
3. 85 views
This question is meant to serve as an answer to the following: If you sum two rank-1 matrices, do you get a rank-2 matrix? What
1. 2 answers
2. asked anonymously
3. 88 views
I have to work with these types of problems dealing with matrises can someone show me how to solve them.Heres one of them:Direct
1. 1 answer
2. asked by jas
3. 771 views
I have a few questions about T-Matrix.In excel, I am suppose to work with powered matrices to construct a weighted T matrix,
1. 1 answer
2. asked by Lisa
3. 666 views
Which one of the following statements is true?a) For all matrices A and B, if AB = I then BA = I b) If A is a 3 \times 3 matrix,
1. 3 answers
2. asked by rho
3. 1,445 views
Find the matrix A such that1 0 −1 3 A = −1 −8 2 11 . Hint: Let A = a b c d A=
1. 4 answers
2. asked by Bersy
3. 2,393 views
Given the following vector X, find a non-zero square matrix A such that AX=0:You can resize a matrix (when appropriate) by
1. 5 answers
2. asked by sal
3. 4,792 views
Let A be an invertible n x n matrix, and let B be an n x p matrix. Explain why (A^-1)(B) can be computed by row reduction:[A B]
1. 3 answers
2. asked by Jen
3. 1,691 views
Prove : If an n*n matrix A can be expressed as a product of elementary matrices, Ax = b is consistent for every n*1 matrix b.My
1. 3 answers
2. asked by A
3. 762 views
Can someone check my answer?Given matrices A,B, and C are all 2 x 2, determine whether the equation is true for the given
1. 4 answers
2. asked by Natti
3. 1,138 views
Explain the notation M^-1 used for the inverse of a square matrix M.I thought M^-1 would be a normal inverse matrix except the
1. 4 answers
2. asked by maath
3. 613 views
write a c programs to find the trace of a given matrix.
1. 2 answers
2. asked by nakul
3. 933 views
Find a formula in terms of k for the entries of A^k, where A is the diagonalizable matrix below.A= 5 -16 2 -7
1. 4 answers
2. asked by Mei
3. 1,101 views
Determine whether the product is defined or undefined. If defined, give the dimensions of the product matrix.[4 5, 9 -2] [1 7]
1. 3 answers
2. asked by imusa
3. 260 views
Given matrix[1 2 3| -1] [2 1 -1| 2] [-1 0 5| 7] What will be the new second row after the row operation: R2-2R1+R3? a. [0, -3,
1. 3 answers
2. asked by latoya
3. 274 views
find the orthogonal basis for the column space of the matrix [6 1 −5 2 1 1 −2 6 −2 8 5 7 ]
1. 3 answers
2. asked by waqas1
3. 275 views
Apply the 57-degree counterclockwise rotation about the origin to the vectors[1, 0] and [0,1], then use the image vectors
1. 3 answers
2. asked by Anonymous
3. 1,168 views
Find the inverse of the matrices if they exist. Use the algorithm introduced in this section.1 2 -1 -4 -7 3 -2 -6 4
1. 3 answers
2. asked by Allan
3. 725 views
Can someone please help me with this problem.Given Matrix Y= 2 -7 4 and -1 1 0 Matrix Z= 3 4 1 4 2 -4 Solve for matrix X.
1. 4 answers
2. asked by Sue
3. 474 views
The first row of V-T.| 3 1| |4 -5 2| V=| 0 2| T= |8 -1 3| |-4 5| a. [-1 -7] b. [-7 3 2] c. [-1 5 -6] d. not possible
1. 3 answers
2. asked by Mel
3. 270 views
Find the matrix B such that AB=t and A=(3 2)(-1 3) Hence find the point of intersection of the lines 3x+2y=10 and 3y-4x=x
1. 2 answers
2. asked anonymously
3. 39 views
B is a matrix (3 2)and C is the matrix (9 -3)(2 2). (2 1) Of a matrix is a 2×2 matrix and A×B=C determine matrix of A
1. 2 answers
2. asked anonymously
3. 29 views
Given two non-zero real matrices 𝑨 and 𝑩, which one below is impossible? (A)𝑨𝑩=𝑩𝑨 (B) 𝑨𝑩 > 𝑩𝑨 (C)
1. 1 answer
2. asked anonymously
3. 75 views
A = 2x4 matrix:( row 1= -6, 2, -4, 4) (row 2 = 6, -2, 4, -4) Find a spanning set for the null space of A (4x3)
1. 1 answer
2. asked by lesgo
3. 66 views
In general, how many elementary row operations does one need to perform in order toreduce a regular n × n matrix to upper
1. 1 answer
2. asked by Mukah
3. 109 views
[3 -6 -3] [x][ x 2 1] -6 -2 3 -1 -3 -2 0 2 to clarify, the [ x 2 1] is a 1*3.......the A matrix is 3*3....and what i think is b,
1. 2 answers
2. asked by lesgo
3. 61 views
Find all values of k so that|k + 1 4| -I2 |3 k - 3| is invertible inside the "|" is a matrice. subtract I2 from that
1. 2 answers
2. asked by Big L's
3. 173 views
Given the following matrices A and B,A=[x y B=[2 -8 −y] and 1] if the product of the matrices AB=[−23 x] , find a value of x
1. 1 answer
2. asked by Matilda
3. 399 views
Can somebody show I how to use matrices to solve the following. I want to solve for Tab first. I wiill ask 9n other part later.
1. 3 answers
2. asked by Anonymous
3. 235 views
Let V = span{e2x, xe2x, x2e2x}.(a) Show that d/dx (􏰀a1e^2x + a2xe^2x + a3x^2e^2x)􏰁 ∈ V for any a1, a2, a3 ∈ R (b) let
1. 2 answers
2. asked by Jonathon
3. 513 views
Perform the following operation:[ a 1-a [ 5 4 -1 1+a -a ] 3 -3 0 ] Note: The entries in the resulting matrix are functions of a.
1. 1 answer
2. asked by ally
3. 379 views
You are given the 2x2 matrix M= (k 3) , where k is not 2.(0 2) i)Find the eigenvalues of M, and the corresponding eigenvectos.
1. 5 answers
2. asked by Stephan
3. 620 views
Autocorrelation matrix of input signal (noise-corrupted signal) x(n), Φxx is [Note: Φd and Φm are autocorrelation matrix of
1. 1 answer
2. asked by biomedical signal processing
3. 417 views
A = 2 x 2-1 0 0 -1 find n that A^n * B = C B = 2 x 1 0 1 C = 2 x 1 1 0 answer is 6, but I don't know why find A^2014 the answer
1. 1 answer
2. asked by Eva
3. 280 views
I have matrix A = -1 00 -1 B = 0 1 c = 1 0 find n that A^n * matrix B = C find A^2014
1. 1 answer
2. asked by Eva
3. 314 views
Given the following matrices A and B, find an invertible matrix U such that UA = B:A and B are 4x4 matrix and i have to find U.
1. 1 answer
2. asked by Angel
3. 1,125 views
Given the following vector X, find a non-zero square matrix A such that AX=0:X=[2 -5 3]^T Im not sure how i would find the sqare
1. 3 answers
2. asked by Angel
3. 1,656 views
let the matrix A =(10 | 10 -4 | -3) Find the eigenvalues for A and for each find the corresponding eigenvector. Also express A
1. 1 answer
2. asked by Anon
3. 421 views
Hi, I really need help with these True/False questions:(a) If three vectors in R^3 are orthonormal then they form a basis in
1. 2 answers
2. asked by Matt
3. 589 views
I have a general questionFor example we have matrix M1 and mattix M2, 2x2 both I wanna do the product m2m1m1m2m2m1m1m2 Is there
1. 1 answer
2. asked by Stephan
3. 388 views
Morning,Bit confused: I have been given the following: g(x,y)=(4x,6y) h(x,y)=(x+2y,y) k(x,y)=(y,x) and ive got the following
1. 3 answers
2. asked by Anon
3. 500 views

Matrix Operations

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