Homework Answers
a)not
a subspace since zero matrix is not in this subset.
b)not a subspace since this is not closed under vector addition.
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be the vector space of all two-by-two real matrices. Is either of these subsets a M2x2...
Let V = M2x2 be the vector space of 2 x 2 matrices with real number...
Let V = M2x2 be the vector space of 2 x 2 matrices with real number entries, usual addition and scalar multiplication. Which of the following subsets form a subspace of V? The subset of upper triangular matrices. The subset of all matrices 0b The subset of invertible matrices. The subset of symmetric matrices. Question 6 The set S = {V1, V2,v;} where vi = (-1,1,1), v2 = (1,-1,1), V3 = (1,1,-1) is a basis for R3. The vector w...
2. Let M2x2(R) be the vector space consisting of 2 x 2 matrices with real entries....
2. Let M2x2(R) be the vector space consisting of 2 x 2 matrices with real entries. Let W M2x2 (R) det (A) 0. Show that W is not a subspace of M2x2(R) A E
Let M4x3 be the vector space of all 4 x 3 matrices with real entries. Note...
Let M4x3 be the vector space of all 4 x 3 matrices with real entries. Note that M4x3 R12 (M4x3 is isomorphic to R12). Let Z4x3 = {A E M4x3 | all row and column sums of Z are zero}. For example, A= -5 3 2 1 -3 2 1 2 -3 3 -2 -1 is an element of Z4x3. (a) Find a 7 x 12 matrix C whose null space is isomorphic to Z4x3. In other words, find a...
3. Let V be the subspace of M2x2(R) consisting of all matrices in which the sum...
3. Let V be the subspace of M2x2(R) consisting of all matrices in which the sum of entries on each row is equal to 0. Let W be the subspace of M2x2(R) consisting of all matrices in which the sum of entries on each column is equal to 0. Find a basis of V +W.
Are the following subsets subspaces of the given vector space?Justify your answers using words and proper...
Are the following subsets subspaces of the given vector space?Justify your answers using words and proper mathematical notation. If the set is not a subspace of the given vector space, give a counterex- ample (an example that demonstrates that one of the axioms fails) and explain why this shows the subset is not a subspace. If the set is a subspace, then prove it by showing that the conditions for a subset to be a subspace are met (a) S...
I need help with these linear algebra problems. 1. Consider the following subsets of R3. Explain...
I need help with these linear algebra problems. 1. Consider the following subsets of R3. Explain why each is is not a subspace. (a) The points in the xy-plane in the first quadrant. (b) All integer solutions to the equation x2 + y2 = z2 . (c) All points on the line x + z = 5. (d) All vectors where the three coordinates are the same in absolute value. 2. In each of the following, state whether it is...
8. Let Maxn denote the vector space of all n x n matrices. a. Let S...
8. Let Maxn denote the vector space of all n x n matrices. a. Let S C Max denote the set of symmetric matrices (those satisfying AT = A). Show that S is a subspace of Mx. What is its dimension? b. Let KC Maxn denote the set of skew-symmetric matrices (those satisfying A' = -A). Show that K is a subspace of Max. What is its dimension?
2. On subspaces of C(-1,1) Let V C(-1,1) be the vector space of all continuous real...
2. On subspaces of C(-1,1) Let V C(-1,1) be the vector space of all continuous real valued functions on on the interval (-1, 1), with usual addition and scalar multiplication. (a) Verify, if the set W-f eV: f(0)-0is a subspace of V or not? (b) Verify, if the set W-Uev f(0) 1 is a subspace of V or not? (c) Verify, if the set W-İfEV:f(x)-0V-2-z is a subspace of V or not? 1b) PrtScn Home FS F6 F7 F8 5
How do I do these linear algebra questions? The question is: Consider the Vector Space V...
How do I do these linear algebra questions?
The question is:
Consider the Vector Space V and its subset W given below.
Determine whether W forms a subspace of V. If your answer is
negative then you must provide which subspace requirement is
violated.
(b). V is P5, the vector space of all polynomials in x of degree s5 and W is the set of all polynomials divisible by x – 3. (c). V is P5, the vector space of...
(3) (10 points) Let H and K be non-empty subsets of a vector space V. The...
(3) (10 points) Let H and K be non-empty subsets of a vector space V. The sum of H and K, written H + K, is the set of all vectors in V that can be written as the sum of two vectors, one in H and the other in K: that is H + K = {W EVw = u + v, for some u E H and v EK}. Show that if H and K are subspaces of...
Let V = M2x2 be the vector space of 2 x 2 matrices with real number entries, usual addition and scalar multiplication. Which of the following subsets form a subspace of V? The subset of upper triangular matrices. The subset of all matrices 0b The subset of invertible matrices. The subset of symmetric matrices. Question 6 The set S = {V1, V2,v;} where vi = (-1,1,1), v2 = (1,-1,1), V3 = (1,1,-1) is a basis for R3. The vector w...
2. Let M2x2(R) be the vector space consisting of 2 x 2 matrices with real entries. Let W M2x2 (R) det (A) 0. Show that W is not a subspace of M2x2(R) A E
Let M4x3 be the vector space of all 4 x 3 matrices with real entries. Note that M4x3 R12 (M4x3 is isomorphic to R12). Let Z4x3 = {A E M4x3 | all row and column sums of Z are zero}. For example, A= -5 3 2 1 -3 2 1 2 -3 3 -2 -1 is an element of Z4x3. (a) Find a 7 x 12 matrix C whose null space is isomorphic to Z4x3. In other words, find a...
3. Let V be the subspace of M2x2(R) consisting of all matrices in which the sum of entries on each row is equal to 0. Let W be the subspace of M2x2(R) consisting of all matrices in which the sum of entries on each column is equal to 0. Find a basis of V +W.
Are the following subsets subspaces of the given vector space?Justify your answers using words and proper mathematical notation. If the set is not a subspace of the given vector space, give a counterex- ample (an example that demonstrates that one of the axioms fails) and explain why this shows the subset is not a subspace. If the set is a subspace, then prove it by showing that the conditions for a subset to be a subspace are met (a) S...
8. Let Maxn denote the vector space of all n x n matrices. a. Let S C Max denote the set of symmetric matrices (those satisfying AT = A). Show that S is a subspace of Mx. What is its dimension? b. Let KC Maxn denote the set of skew-symmetric matrices (those satisfying A' = -A). Show that K is a subspace of Max. What is its dimension?
2. On subspaces of C(-1,1) Let V C(-1,1) be the vector space of all continuous real valued functions on on the interval (-1, 1), with usual addition and scalar multiplication. (a) Verify, if the set W-f eV: f(0)-0is a subspace of V or not? (b) Verify, if the set W-Uev f(0) 1 is a subspace of V or not? (c) Verify, if the set W-İfEV:f(x)-0V-2-z is a subspace of V or not? 1b) PrtScn Home FS F6 F7 F8 5
How do I do these linear algebra questions?
The question is:
Consider the Vector Space V and its subset W given below.
Determine whether W forms a subspace of V. If your answer is
negative then you must provide which subspace requirement is
violated.
(b). V is P5, the vector space of all polynomials in x of degree s5 and W is the set of all polynomials divisible by x – 3. (c). V is P5, the vector space of...
(3) (10 points) Let H and K be non-empty subsets of a vector space V. The sum of H and K, written H + K, is the set of all vectors in V that can be written as the sum of two vectors, one in H and the other in K: that is H + K = {W EVw = u + v, for some u E H and v EK}. Show that if H and K are subspaces of...
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