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Linear Algebra
Page 5
Questions (909)
Given a point x in n-dimensional space and a hyperplane described by θ and θ0, find the signed distance between the hyperplane
2 answers
asked by
Yun Lee
43 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
3 answers
asked by
Mel
274 views
For the vectors u=(2,-3) and w=(-1,2), calculate |-3u| - |2w|.
4 answers
asked by
Devon
488 views
Input-output model from linear programming
2 answers
asked anonymously
39 views
What is a Metric Tensor, it's uses and how can one formulate a Metric Tensor? Explain it in detail along with mathematical
3 answers
asked by
Dave
37 views
If possible, find a, b, and c so that
v = [a b c] is orthogonal to both w = [1 6 1] and x = [1 −9 1]
4 answers
asked by
sara
1,194 views
1. Which of the following sets of vectors spans [r^2] ?
a) {(1,1), (-2,-2)} b) {(1,1), (1,2)} c) {(1,2), (1/2,2)} d) {(-1,1),
2 answers
asked by
Jake
544 views
What is the signed magnitude c of the projection of x1 onto x2? More precisely, let u be the unit vector in the direction of the
2 answers
asked by
Lis
56 views
If v = (2, -5), find the magnitude and direction angle of 2v.
2 answers
asked anonymously
22 views
T I a transformation represented by the matrix (5x 2) under T a square whose area is 10cm³
(-3 x) is mapped onto a square of
2 answers
asked anonymously
37 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
2 answers
asked anonymously
43 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
2 answers
asked anonymously
41 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
2 answers
asked anonymously
29 views
Solve for the unknowns given that the following is a singular matrix (1 2)
x x-3
2 answers
asked anonymously
39 views
A matrix P (2 -1),Q(a) and R(2).Find the values
-4 3. b. 1. of a and b given that PQ=R
2 answers
asked anonymously
40 views
Given that A =(2 4) and B=( 11 3) find C such
3 6. 4 1 that B×C=A
2 answers
asked anonymously
25 views
n n\times n matrix \mathbf{M} has “full rank"i.e. \, \text {rank}(\mathbf{M})=n\, if and only if its determinant is non-zero.
E
2 answers
asked anonymously
53 views
Find the parametric equation of a line that contains (2, -1, 1) and is parallel to the vector (3, 0.5, 0).
2 answers
asked by
Ayansa Dabesa soboka
32 views
What is the translation vector for (-5,9)?
4 answers
asked by
TheDarkArtist
40 views
Let V = {(a, b, c, d) ( (4: b – 2c + d = 0}
W = {(a, b, c, d) ( (4: a = d, b = 2c} Find a basis and dimension of a) V b) W c)
2 answers
asked anonymously
38 views
Find the dimensions of the following
A)The space of n x n matrices all of whose elements are 0 except possibly the diagonal
2 answers
asked by
Ayansa Dabesa soboka
80 views
Which of these quantities is a vector ?
1 answer
asked by
Jennifer
55 views
Given two non-zero real matrices 𝑨 and 𝑩, which one below is impossible? (A)𝑨𝑩=𝑩𝑨 (B) 𝑨𝑩 > 𝑩𝑨 (C)
1 answer
asked anonymously
75 views
Suppose a 3x3 real matrix A has only two (real) distinct eigenvalues. Suppose that trace(A) = 1 and det(A) = -45 . Find the
1 answer
asked by
xiny
102 views
If the vectors u and v determine an angle of 60° and |u|=5, u • v = 15, then the value of 2v • (3u - v) equals:
1 answer
asked by
Anonymous
72 views
Suppose that the trace of a 2x2 matrix A =4 , and the determinant is 3. Find the eigenvalues of A
smaller eigenvalue = larger
1 answer
asked by
xiny
97 views
Which of these quantities is a vector
1 answer
asked by
Anonymous
78 views
Consider the ordered bases
B = {2 - 9x, 1 - 4x} C = {3x - 2, 3x - 3} for the vector space P2 E = {1, x} Find the transition
1 answer
asked by
go
69 views
Write the 2x2 matrix of X= -3 1 as a product X= E1E2E3 of elementary matrices
-9 0
1 answer
asked by
Monica
72 views
the vectors:
v = [3, -10, 26] u = [-3, 9, -28+k] w = [1, -4, 10] are linearly independent if k does not equal what???
1 answer
asked by
go
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 answer
asked by
lesgo
68 views
Given vectors A, B and C such that A+B+C=0; ∣∣A∣∣ = 3, ∣∣B∣∣ = 1 and ∣∣C∣∣ = 4. calculate A dot B + B
1 answer
asked by
Anonymous
86 views
Find a vector B linearly dependent on the vector A = 2i + j - k , such that A. B = 3.
1 answer
asked by
Anonymous
71 views
Let P and Q be n × n permutation matrices and v ∈ R^n a vector. Under what
conditions does the equation P v = Qv imply that P
1 answer
asked by
Grant
62 views
In general, how many elementary row operations does one need to perform in order to
reduce a regular n × n matrix to upper
1 answer
asked by
Mukah
112 views
If a 4×4 matrix A with rows v1, v2, v3, and v4 has determinant detA=7,
row 1 [ v1] row 2 [ 4v2 + 9v4 ] row 3 [ v3 ] row 4 [3v2 +
1 answer
asked by
lesgo
114 views
Determine the value of h such that the matrix is the augmented matrix of a linear system with infinitely many solutions.
8 -7 | 3
1 answer
asked by
lesgo
90 views
Find a non-zero matrix such that
⎡ -2 5 ⎤ ⎡ ❏ ❏ ⎤ ⎡ 0 0 ⎤ ⎥ ⎥ ⎥ ⎥ = ⎥ ⎥ ⎣ 4 -10 ⎦ ⎣ ❏ ❏ ⎦
1 answer
asked by
Sora
101 views
Find a and b such that v = au+be, where u=(1,2) and w=(1,-1), v=(4,5)
1 answer
asked by
Anonymous
56 views
Can someone explain why (𝑎 • 𝑏) × 𝑐 exist if a, b, and c are vectors?
4 answers
asked by
Nathan Seth
91 views
I'm confused by this. Could someone explain?
Given two vectors, a = (a1, a2, a3) and b = (b1, b2, b3) describe how you would
1 answer
asked by
Jasmine
120 views
Do the vectors u = [2 1 -1] v = [1 -1 4] and w [3 2 1] span R3?
2 answers
asked by
Matthew
207 views
a) Let a = (2,3,5) and b = (-1, 2, -4).
Calculate T=aibj the tensor product)
1 answer
asked by
mwk please please help
143 views
If T:ℝ2→ℝ2 is a transformation and the action of T is as given, find a formula for T−1(V), where V is any vector in
1 answer
asked by
Hamlet
209 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
2 answers
asked by
Big L's
174 views
Determine a vector equation for the line through the points (-1, 4) and (2, -1).
Please help
1 answer
asked by
Lort
229 views
Under what circumstances is
a. Proj(u onto v) — Proj(v onto «)? b. I Proj(u onto v) |= | Proj(v onto u) |?
1 answer
asked by
Homeworktaker
241 views
The question requires to use gaussian elimination to solve x,y,z:
2x-6y-z=7 x+2y+z=0 x+4y+2z=-3 The answer i got is x=-6, y=-4,
4 answers
asked by
Michael
259 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 answer
asked by
Matilda
403 views
For the following matrix,
[1, -3, 1] [-4.-1,-2] [0, -2,-2] Perform the row operation: 4R1+R2→R2 (there are 9 boxes) thank you,
1 answer
asked by
Stephanie
347 views
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Algebra
Calculus
Geometry
Math
Mathematics