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1. Show that {ū1, ū2, ū3} is an orthogonal basis for R3, and write ž as...
Show that the set of vectors {ū1 = (1,1,1,1), Ū2 = (1,0,-1,0), Ūz = (0,1,0, -1)}...
Show that the set of vectors {ū1 = (1,1,1,1), Ū2 = (1,0,-1,0), Ūz = (0,1,0, -1)} is orthogonal. Use those vectors in the set to get an orthonormal set {1, W2, W3}.
Let W = Span{ū1, ū2}. Write y as the sum of a vector We W and...
Let W = Span{ū1, ū2}. Write y as the sum of a vector We W and a vector zew, 1 0 -2 17 -11 3 ū1 = 2 y= 2 0 2
(1 point) Let c=1 ). 6 = [-), = [E]. * = [1] Is ū a...
(1 point) Let c=1 ). 6 = [-), = [E]. * = [1] Is ū a linear combination of the vectors ū1, ū2 and ū3 ? choose If possible, write ū as a linear combination of the vectors ū1, 72 and 73. For example, the answer ū = 4ū1 + 5ū2 + 6Ū3 would be entered 4v1 + 5v2 + 6v3. If ū cannot be written as a linear combination of the vectors ū1, 72 and 73, enter DNE. ū...
Find an ONB (orthonormal basis) for the following plane in R3 2 + y + 3z...
Find an ONB (orthonormal basis) for the following plane in R3 2 + y + 3z = 0 First, solve the system, then assign parameters s and t to the free variables (in this order), and write the solution in vector form as su + tv. Now normalize u to have norm 1 and call it ū. Then find the component of v orthogonal to the line spanned by u and normalize it, call it ū. Below, enter the components...
(i) Find an orthonormal basis {~u1, ~u2} for S (ii) Consider the function f : R3...
(i) Find an orthonormal basis {~u1, ~u2} for S
(ii) Consider the function f : R3 -> R3 that to each vector ~v
assigns the vector of S given by
f(~v) = <~u1, ~v>~u1 + <~u2; ~v>~u2. Show that it is a
linear function.
(iii) What is the matrix of f in the standard basis of R3?
(iv) What are the null space and the column space of the matrix
that you computed in the
previous point?
Exercise 1. In...
Latin = and l [1 + 3i -2i (a) Verify that ởi and ū2 are orthogonal....
Latin = and l [1 + 3i -2i (a) Verify that ởi and ū2 are orthogonal. (b) Let S = Span{ū1, ū2} and ū= الد ) - 3 3 + 2i . Find projgū.
-12 -4 8. (4 pts) Let ū1 = -12 and U2 = -15 These vectors form...
-12 -4 8. (4 pts) Let ū1 = -12 and U2 = -15 These vectors form a basis for a subspace -6 -11 V of R3. Starting with 71, 72, use the Gram-Schmidt process to find an orthonormal basis ū1, ū2 for V. -
(1 point) Let 0.5 0.5 0.5 0.5 Ūi = 0.5 0.5 Ū2 = ū3 -0.5 0.5...
(1 point) Let 0.5 0.5 0.5 0.5 Ūi = 0.5 0.5 Ū2 = ū3 -0.5 0.5 2 2 -0.5 -0.5 0.5 -0.5 Find a vector ū4 in R4 such that the vectors ū1, 72, 73, and ū4 are orthonormal. 04
1- 2- 3- 1 (10 points) Show that {u1, U2, U3} is an orthogonal basis for...
1-
2-
3-
1 (10 points) Show that {u1, U2, U3} is an orthogonal basis for R3. Then express x as a linear 3 4 combination of the u's. u -3 U2 = 0 ,u3 5 6 -2 2 -1 (10 points) Suppose a vector y is orthogonal to vectors u and v. Prove that y is orthogonal to the vector 4u - 3v. 10. (2 points each) True or False: ( ) Eigenvalues must be nonzero scalars. ( )...
(a) Write the vector aas a linear combination of the set of orthonormal basis vectors 2 marks] (b) Find the orthogonal...
(a) Write the vector aas a linear combination of the set of orthonormal basis vectors 2 marks] (b) Find the orthogonal projection of the vector (1,-3) on the vector v- (-1,5). 2 marks] (c) Using your result for part (b) verify that w = u-prolvu is perpendicular to V. 2 marks]
(a) Write the vector aas a linear combination of the set of orthonormal basis vectors 2 marks] (b) Find the orthogonal projection of the vector (1,-3) on the vector...
Show that the set of vectors {ū1 = (1,1,1,1), Ū2 = (1,0,-1,0), Ūz = (0,1,0, -1)} is orthogonal. Use those vectors in the set to get an orthonormal set {1, W2, W3}.
Let W = Span{ū1, ū2}. Write y as the sum of a vector We W and a vector zew, 1 0 -2 17 -11 3 ū1 = 2 y= 2 0 2
(1 point) Let c=1 ). 6 = [-), = [E]. * = [1] Is ū a linear combination of the vectors ū1, ū2 and ū3 ? choose If possible, write ū as a linear combination of the vectors ū1, 72 and 73. For example, the answer ū = 4ū1 + 5ū2 + 6Ū3 would be entered 4v1 + 5v2 + 6v3. If ū cannot be written as a linear combination of the vectors ū1, 72 and 73, enter DNE. ū...
Find an ONB (orthonormal basis) for the following plane in R3 2 + y + 3z = 0 First, solve the system, then assign parameters s and t to the free variables (in this order), and write the solution in vector form as su + tv. Now normalize u to have norm 1 and call it ū. Then find the component of v orthogonal to the line spanned by u and normalize it, call it ū. Below, enter the components...
(i) Find an orthonormal basis {~u1, ~u2} for S
(ii) Consider the function f : R3 -> R3 that to each vector ~v
assigns the vector of S given by
f(~v) = <~u1, ~v>~u1 + <~u2; ~v>~u2. Show that it is a
linear function.
(iii) What is the matrix of f in the standard basis of R3?
(iv) What are the null space and the column space of the matrix
that you computed in the
previous point?
Exercise 1. In...
Latin = and l [1 + 3i -2i (a) Verify that ởi and ū2 are orthogonal. (b) Let S = Span{ū1, ū2} and ū= الد ) - 3 3 + 2i . Find projgū.
-12 -4 8. (4 pts) Let ū1 = -12 and U2 = -15 These vectors form a basis for a subspace -6 -11 V of R3. Starting with 71, 72, use the Gram-Schmidt process to find an orthonormal basis ū1, ū2 for V. -
(1 point) Let 0.5 0.5 0.5 0.5 Ūi = 0.5 0.5 Ū2 = ū3 -0.5 0.5 2 2 -0.5 -0.5 0.5 -0.5 Find a vector ū4 in R4 such that the vectors ū1, 72, 73, and ū4 are orthonormal. 04
1-
2-
3-
1 (10 points) Show that {u1, U2, U3} is an orthogonal basis for R3. Then express x as a linear 3 4 combination of the u's. u -3 U2 = 0 ,u3 5 6 -2 2 -1 (10 points) Suppose a vector y is orthogonal to vectors u and v. Prove that y is orthogonal to the vector 4u - 3v. 10. (2 points each) True or False: ( ) Eigenvalues must be nonzero scalars. ( )...
(a) Write the vector aas a linear combination of the set of orthonormal basis vectors 2 marks] (b) Find the orthogonal projection of the vector (1,-3) on the vector v- (-1,5). 2 marks] (c) Using your result for part (b) verify that w = u-prolvu is perpendicular to V. 2 marks]
(a) Write the vector aas a linear combination of the set of orthonormal basis vectors 2 marks] (b) Find the orthogonal projection of the vector (1,-3) on the vector...
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