Define the symmetric difference of two sets to be S * T = (S ∪ T) \ (S ∩ T). Show that the power set P(S) is a vector space over Z2 with addition given by *.
Define the symmetric difference of two sets to be S * T = (S ∪ T)...
Let n EN Consider the set of n x n symmetric matrices over R with the usual addition and multiplication by a scalar (1.1) Show that this set with the given operations is a vector subspace of Man (6) (12) What is the dimension of this vector subspace? (1.3) Find a basis for the vector space of 2 x 2 symmetric matrices (6) (16)
Math 407 Homework 4 Name: 1. Why the following sets are not vector space? with the regular vector addition and scalar multiplication. b) v = {(7: «y 20} with the regular vector addition and scalar multiplication. with the regular vector addition and scalar multiplication. 2. The set B = {1,1+t, t+t?} is a basis for P, the set of all polynomials with degree less than or equal to 2. Find the coordinate vector of p(t)-5+21+342 3. Let H =Span{ői, üz.us)...
1. Why the following sets are not vector space? with the regular vector addition and scalar multiplication. a) V = {E: * > 0, y 20 with the regula b) V = {l*: *y 2 o} with the regular vector addition and scalar multiplication. c) V = {]: x2+y's 1} with the regular vector addition and scalar multiplication. 2. The set B = {1,1+t, t + t2 is a basis for P, the set of all polynomials with degree less...
The symmetric difference of two events A and B, denoted by AΔB, is the set of outcomes which are in either of the events but not in their intersection. Using only the axioms of probability (finite additivity can be assumed), prove that P(AΔB) = P(A) + P(B) - 2P(A∩B).
For each of the following sets, indicate whether it is a vector space. If so, point out a basis of it; otherwise, point out which vector-space property is violated. 1.The set V of vectors [2x, x2] with x R2. Addition and scalar multiplication are defined in the same way as on vectors. 2.The set V of vectors [x, y, z] R3 satisfying x + y + z = 3 and x − y + 2z = 6. Addition and scalar...
(5 pts) Give an example of a relation on a set that is a) both symmetric and antisymmetric. b) neither symmetric nor antisymmetric. (3 pts each) For each of the following find an indexed collection {An}nen of distinct sets (no two sets are equal) such that (a) n =1 An = {0} (b) Um_1 An = [0, 1] (c) n =1 An = {-1,0,1} (5 pts each) Give example of an explicit function f in each of the following category...
. Let V be a vector space and S a set. Let V$ = {f S V} on VS by be the set of all functions from S to V. Define addition and scalar multiplication (fg)(s) f(s) + g(s) and (af)(s) = af(s) for all a F, f,gE V, and s E S. Show that VS is a vector space
5. Let T E Rxn be a nonsingular symmetric tridiagonal matrix, T -QR be a QR factorization of T and S- RQ. (a) Show that S is also a nonsingular symmetric tridiagonal matrix. (b) How many operations (addition, subtraction, multiplication, and division) are required to ob- tain S from T?
5. Let T E Rxn be a nonsingular symmetric tridiagonal matrix, T -QR be a QR factorization of T and S- RQ. (a) Show that S is also a nonsingular...
Let TRm → Rn be a linear transformation, and let p be a vector and S a set in R Show that the image of p + S under T is the translated set T(p) + T(S) n R What would be the first step in translating p+ S? OA. Rewrite p+ S so that it does not use sets. O B. Rewrite p+S so that it does not use vectors O c. Rewrite p + S as a difference...
Let F be a field and V a vector space over F with the basis {v1, v2, ..., vn}. (a) Consider the set S = {T : V -> F | T is a linear transformation}. Define the operations: (T1 + T2)(v) := T1(v) + T2(v), (aT1)(v) = a(T1(v)) for any v in V, a in F. Prove tat S with these operations is a vector space over F. (b) In S, we have elements fi : V -> F...