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Linear Algebra
Page 9
Questions (909)
If Vector a = (5, -5, 3), Vector b = (1, 2, 3), determin proj (Vector a onto Vector b).
(Full solutions)
2 answers
asked by
Jagjot
570 views
Which of the given subsets of R3 are subspaces?
(a) The set of all vectors of the form [a;b;0] b)The set of all vectors of the
1 answer
asked by
kirsten
723 views
show that the only subspaces of R1 are 0 and R1 itself.
okay , so I don't know if I'm making it more complicated than it is, but
1 answer
asked by
kirsten
830 views
Find two unit vectors each of which is perpendicular to vectors (1, 1, 0) and (1,0,1)
What I did: a x b = (1, -1, -1)
1 answer
asked by
annonymous
496 views
Given vector a=(2,1,0)and vector b=(-1,0,3) and vector c=(4,-1,1), calculate the following triple scalar and triple vector
1 answer
asked by
Annon
442 views
show that if A= A inverse, then det(A) = +/- 1
if A(transpose) = A(inverse), what is det(A)?
1 answer
asked by
jessica
391 views
Find the inverse of A = [−5 2 2; −3 1 1; −9 3 4]
4 answers
asked by
hannah
678 views
If A is an n × n matrix, then
A = S + K, where S is symmetric and K is skew symmetric. Let A= [1 3 -2;4 2 2;5 1 2] Find the
1 answer
asked by
sam
658 views
Is the matrix
6 0 0 5 a linear combination of the matrices 1 0 0 1 and 1 0 0 0 ? how do you figure this out?
1 answer
asked by
sam
379 views
determine whether or not the given set forms a basis for the indicated subspace:
#1 {1,1,0), (1,1,1)} for the subspace of R^3 of
3 answers
asked by
Anna
536 views
FIND A VECTOR EQUATION OF THE LINE THAT CONTAINS(-1,3,0)& IS PARALLEL TO 2i-3j-k.
1 answer
asked by
BIRHANU
339 views
find the value of b such that u=(-2,4,2) ¡ì v=(b,b^2,1) are orthogonals.
1 answer
asked by
mintesnot
251 views
Given the following: vector u= [-2,-1,2] and vector v=[1,-1,-4] and vector w= [4,3,-2] find:
a)theta, the angle between vectors,
2 answers
asked by
Tina
694 views
Find the eigenvalues and corresponding eigenvectors of the matrix:
0 0 1 M = 1 0 0 0 1 0
3 answers
asked by
Joe
566 views
Show that the set [(3,-2,4),(1,2,-1), (-6,4,-8) is linearly dependent by writing a non-trivial liner combination of the vectors
1 answer
asked by
Jervis
467 views
How do I determine the dimensions of the following matrix product?
A 2x3 * B 3x5 ??
2 answers
asked by
Kylie
904 views
Given three vectors
a⃗ =−i⃗ −4j⃗ +2k⃗ , b⃗ =3i⃗ +2j⃗ −2k⃗ , c⃗ =2i⃗ −3j⃗ +k⃗ , calculate a⃗
2 answers
asked by
samson
584 views
Given A=( 3 2 5) ( 2 -1 8)
(4 7 -3 )and c=(5 0 3), find B if A+B=C
9 answers
asked by
Cayce
352 views
Fnd the left null space of matrix
A = [5 -3 1] [-2 4 -6] [11 -8 5]
1 answer
asked by
Sharon
298 views
Which linear system of equations does the matrix represent
[-3 5|15] [2 3|-10]
3 answers
asked by
Imgivinguponschool
44 views
Suppose C and D and 5x5 matrices and det(C)=5, det(D)=6. Compute the determinant of the matrix 3C^T (4CD)^-1 C^2. Justify your
1 answer
asked by
Brody
980 views
Suppose T: R^2->R^2 is a linear transformation with T(1,2)=(2,-1) & T(3,-1)=(-1,2). What is T(-12,11)?
2 answers
asked by
Brody
593 views
why is the line <x,y,z>=<8,9,10>+t<3,4,5> perpendicular to the plane 3x=4y+5z=10
3 answers
asked by
Danielle
343 views
| 3 2 7 | x1 | | 46 |
| -2 1 4 | x2 | = | 12 | | 6 -5 8 | x3 | | 60 | (b). Solve the system using the inverse of the coefficient
5 answers
asked by
Dee
402 views
Identify the [221] vector.(crystallographic directions qns)
The answer given corresponds to 0.5 in x direction,0.5 in y and 1 in
1 answer
asked by
miguel
452 views
L1: [x,y,z] = [1,-2,4,] + s[1,1-3]
L2: [x,y,z] = [4,-2,k] + t[2,3,1] Determine a value of k that is 10 units away from the plane
1 answer
asked by
Anonymous
289 views
Consider the lines
L1: [x,y,z] = [4,-2,k] + s[1,1-3] +t[2,3,1] Determine a value of k that is 10 units away from the plane with
1 answer
asked by
Tristan
282 views
Use the linear transformation model to predict the number of fish in 12 months
log y = 0.9013.logx+ 0.6935
3 answers
asked by
helen
485 views
If CI=C, find I
C= 2 3 0 1 1 0
3 answers
asked by
Sarah
274 views
Given the matrix (4 x) has no inverse, find x
( 2 -5)
3 answers
asked anonymously
30 views
Evaluate the determinant of each matrix.
1 2 3 3 1 0 1 2 1
1 answer
asked by
Anonymous
415 views
Let R5[t] be the vector space of all polynomials in t of degree 4 or less with real coefficients. Which of the following subsets
2 answers
asked by
bdinh
575 views
p1, p2, p3 are elements of P_2
p1(x)= 1+x-2*x^2 p2(x)= 2+3x-x^2 p3(x)= 3+5x-x^2 Is S = {p1, p2, p3} linearly independent?
1 answer
asked by
Alex
335 views
For the orthogonal matrix
A = 1/sqrt(2) -1/sqrt(2) -1/(sqrt(2)) -1/sqrt(2) verify that (Ax,Ay)=(x,y) for any vectors x and y in
2 answers
asked by
Anonymous
567 views
I try to make a Quantum Fourier Transformation with N=6:
w=e^(2*pi*7/6) so we have 6-th roots: 1,w,w^2,-1,-w,-w^2 My matrix is
3 answers
asked by
Anonymous
510 views
The vectors A⃗ = 1 x^− 2 y^ and B⃗ =− 4 x^+ a y^− 4 z^ are perpendicular to each other. What is the value of a?
a=
1 answer
asked by
youlife
286 views
find the inverse of A, recall that A-1 = 1/det A [d -b]
[ -c a]
1 answer
asked by
skyler
334 views
find the dimensions of the matrix
( -1 2 5 0 ) ( -5 0 9 7 ) ( 9 12 8 -1) (8 -5 0 6 )
1 answer
asked by
skyler
302 views
15. The augmented matrix A represents a system of three real-valued equations in three unknowns. Which of the answer choices
1 answer
asked by
Joy
334 views
16. What is the value of a that would make the matrix equation true?:
( 1 -2) (-5 6) (a b) ( 3 4) (7 -8) = (c d)
3 answers
asked by
Joy
928 views
The augmented matrix A represents a system of three real-valued equations in three unknowns. Which of the answer choices would
1 answer
asked by
Joy
356 views
Find the dot product a*b.
a= (5,-9), b=(4,-3)
1 answer
asked by
tony
254 views
Which linear system of equations does the matrix represent? (1 point) Responses ⎧⎩⎨⎪⎪−3y=25y=315y=−10
3 answers
asked anonymously
40 views
Use the dot product to determine which of the following vector pairs are orthogonal.
a. v1 = (-5,5) and v2 = (1,1) b. v1 =
4 answers
asked by
Kate
1,244 views
gaussian elimination
x+Y+Z=-2 X-y+5z+22 5x+y+z=-22
2 answers
asked by
JT
468 views
This has to do with dot products (I can't make the arrow above the u, i, or j).
Given u = 4i - 6j and v = -3i + 5j, find
1 answer
asked by
Mary
261 views
1.) Find the values of a, b, and c that will make the statement true.
[5 a -2] [5 102] [3 4 –b] = [-3 -4 3] [2c 5 9] [-2 5 9]
0 answers
asked by
Kris
887 views
I need to solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly
1 answer
asked by
Kristen
329 views
Let |\psi\rangle=\frac{1-i}{2}|0\rangle-\frac{1+i}{2}|1\rangle and |\phi\rangle=\frac{2+i}{3}|0\rangle-\frac{2i}{3}|1\rangle.
1 answer
asked by
RAJNI
734 views
1.Provide a unitary that maps |+> to |1>and |-> to |0> . Enter 0 in all boxes if no such unitary exists. (In this case, you have
7 answers
asked by
JAY
459 views
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