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5. Consider the metric space consisting of the set C([0, 1], R) - the set of...
Please answer c d e 3. This problem shows that the metric space of continuous real-valued...
Please answer c d e
3. This problem shows that the metric space of continuous real-valued functions C([0, 1]) on the interval [0, 1is complete. Recall that we use the sup metric on C([0,1), so that df, 9) = sup{f (2) - 9(2): € (0,1]} (a) Suppose that {n} is a Cauchy sequence in C([0,1]). Show that for each a in 0,1], {Sn(a)} is a Cauchy sequence of real numbers. (b) Show that the sequence {fn(a)} converges. We define f(a)...
2. Consider the vector space C([0, 1]) consisting of all continuous functions f: [0,1]-R with the...
2. Consider the vector space C([0, 1]) consisting of all continuous functions f: [0,1]-R with the weighted inner product, (f.g)-f(x) g(x) x dr. (a) Let Po(z) = 1, Pi(z) = x-2, and P2(x) = x2-6r + 흡 Show that {Po, pi,r) are orthogonal with respect to this inner product b) Use Gram-Schmidt on f(x)3 to find a polynomial pa(r) which is orthogonal to each of po P1 P2 You may use your favorite web site or software to calculate the...
(1 point) Determine whether the given set S is a subspace of the vector space V....
(1 point) Determine whether the given set S is a subspace of the vector space V. A. V = R", and S is the set of solutions to the homogeneous linear system Ax = 0 where A is a fixed mxn matrix. B. V is the vector space of all real-valued functions defined on the interval (-oo, oo), and S is the subset of V consisting of those functions satisfying f(0) 0 C. V Mn (R), and S is the...
4. Let XC((0. 1) be the space of contimuous real valued functions on interval 0, 1...
4. Let XC((0. 1) be the space of contimuous real valued functions on interval 0, 1 with metric di(f.g) S()-9(t0ldt. R defined by Show that the function p X PS)=max(f(t)|:t€ (0.1]} is not continuous at fo E X which is the identically zero function, folt) Hint: take e= 0 for all t e0, 1. 1 and for any d>0 find a function g EX with p(g)-1 and di(fo- 9) < 6.
33. Let C[0, 1] be the space of real-valued continuous functions on [0, 1] with inner...
33. Let C[0, 1] be the space of real-valued continuous functions on [0, 1] with inner product Kf.9) (x)g()d(r). 2 cos 2Tir and g.(r)-v2 sin 2mix for i 1.2,... Show that (1. fi.g. f2 92 Suppose that fi(r) is an orthonormal set.
2. The vector space CO, 1) consisting of continuous functions defined on the interval 0く〈 1 is ...
2. The vector space CO, 1) consisting of continuous functions defined on the interval 0く〈 1 is infinite-dimensional since it is not spanned by a finite set of functions. Consider the subspace H {aet + bt2 fet _ 3t2) | a, b, c є R} of C10, 1]. Is H finite-dimensional or infinite- dimensional? If it is infinite dimensional, explain why. If it is finite dimensional, find a basis for H and explain your reasonsing. cle
2. The vector space...
7. Recall the space m of bounded sequences of real numbers together with the metric d(х,...
7. Recall the space m of bounded sequences of real numbers together with the metric d(х, у) — suр |2; — Ук). k 1,2. (a) Give a simple proof to show that m is complete by showing that m = suitable space X. (Recall that C(X) denotes the space of continuous bounded real- valued functions on X together with the supremum norm.) C(X) for some (b) Let A denote the unit ball in m given by А 3 (x€ т:...
(Functional analysis) Let C be the space of all functions having Question 4. (3 marks) Let C([0, 1]) be the space of al...
(Functional analysis) Let C be the space of all functions
having
Question 4. (3 marks) Let C([0, 1]) be the space of all functions having continuous derivative For each fe C(0,1), set 1/2 1 0 Show that I-1l is a norm of the space of C (0, 1)
Question 4. (3 marks) Let C([0, 1]) be the space of all functions having continuous derivative For each fe C(0,1), set 1/2 1 0 Show that I-1l is a norm of the...
B2. (a) Let I denote the interval 0,1 and let C denote the space of continuous functions I-R. Def...
B2. (a) Let I denote the interval 0,1 and let C denote the space of continuous functions I-R. Define dsup(f,g)-sup |f(t)-g(t) and di(f.g)f (t)- g(t)ldt (f,g E C) tEI (i) Prove that dsup is a metric on C (ii) Prove that di is a metric on C. (You may use any standard properties of continuous functions and integrals, provided you make your reasoning clear.) 6 i) Let 1 denote the constant function on I with value 1. Give an explicit...
- Let V be the vector space of continuous functions defined f : [0,1] → R...
- Let V be the vector space of continuous functions defined f : [0,1] → R and a : [0, 1] →R a positive continuous function. Let < f, g >a= Soa(x)f(x)g(x)dx. a) Prove that <, >a defines an inner product in V. b) For f,gE V let < f,g >= So f(x)g(x)dx. Prove that {xn} is a Cauchy sequence in the metric defined by <, >a if and only if it a Cauchy sequence in the metric defined by...
Please answer c d e
3. This problem shows that the metric space of continuous real-valued functions C([0, 1]) on the interval [0, 1is complete. Recall that we use the sup metric on C([0,1), so that df, 9) = sup{f (2) - 9(2): € (0,1]} (a) Suppose that {n} is a Cauchy sequence in C([0,1]). Show that for each a in 0,1], {Sn(a)} is a Cauchy sequence of real numbers. (b) Show that the sequence {fn(a)} converges. We define f(a)...
2. Consider the vector space C([0, 1]) consisting of all continuous functions f: [0,1]-R with the weighted inner product, (f.g)-f(x) g(x) x dr. (a) Let Po(z) = 1, Pi(z) = x-2, and P2(x) = x2-6r + 흡 Show that {Po, pi,r) are orthogonal with respect to this inner product b) Use Gram-Schmidt on f(x)3 to find a polynomial pa(r) which is orthogonal to each of po P1 P2 You may use your favorite web site or software to calculate the...
(1 point) Determine whether the given set S is a subspace of the vector space V. A. V = R", and S is the set of solutions to the homogeneous linear system Ax = 0 where A is a fixed mxn matrix. B. V is the vector space of all real-valued functions defined on the interval (-oo, oo), and S is the subset of V consisting of those functions satisfying f(0) 0 C. V Mn (R), and S is the...
4. Let XC((0. 1) be the space of contimuous real valued functions on interval 0, 1 with metric di(f.g) S()-9(t0ldt. R defined by Show that the function p X PS)=max(f(t)|:t€ (0.1]} is not continuous at fo E X which is the identically zero function, folt) Hint: take e= 0 for all t e0, 1. 1 and for any d>0 find a function g EX with p(g)-1 and di(fo- 9) < 6.
33. Let C[0, 1] be the space of real-valued continuous functions on [0, 1] with inner product Kf.9) (x)g()d(r). 2 cos 2Tir and g.(r)-v2 sin 2mix for i 1.2,... Show that (1. fi.g. f2 92 Suppose that fi(r) is an orthonormal set.
2. The vector space CO, 1) consisting of continuous functions defined on the interval 0く〈 1 is infinite-dimensional since it is not spanned by a finite set of functions. Consider the subspace H {aet + bt2 fet _ 3t2) | a, b, c є R} of C10, 1]. Is H finite-dimensional or infinite- dimensional? If it is infinite dimensional, explain why. If it is finite dimensional, find a basis for H and explain your reasonsing. cle
2. The vector space...
7. Recall the space m of bounded sequences of real numbers together with the metric d(х, у) — suр |2; — Ук). k 1,2. (a) Give a simple proof to show that m is complete by showing that m = suitable space X. (Recall that C(X) denotes the space of continuous bounded real- valued functions on X together with the supremum norm.) C(X) for some (b) Let A denote the unit ball in m given by А 3 (x€ т:...
(Functional analysis) Let C be the space of all functions
having
Question 4. (3 marks) Let C([0, 1]) be the space of all functions having continuous derivative For each fe C(0,1), set 1/2 1 0 Show that I-1l is a norm of the space of C (0, 1)
Question 4. (3 marks) Let C([0, 1]) be the space of all functions having continuous derivative For each fe C(0,1), set 1/2 1 0 Show that I-1l is a norm of the...
B2. (a) Let I denote the interval 0,1 and let C denote the space of continuous functions I-R. Define dsup(f,g)-sup |f(t)-g(t) and di(f.g)f (t)- g(t)ldt (f,g E C) tEI (i) Prove that dsup is a metric on C (ii) Prove that di is a metric on C. (You may use any standard properties of continuous functions and integrals, provided you make your reasoning clear.) 6 i) Let 1 denote the constant function on I with value 1. Give an explicit...
- Let V be the vector space of continuous functions defined f : [0,1] → R and a : [0, 1] →R a positive continuous function. Let < f, g >a= Soa(x)f(x)g(x)dx. a) Prove that <, >a defines an inner product in V. b) For f,gE V let < f,g >= So f(x)g(x)dx. Prove that {xn} is a Cauchy sequence in the metric defined by <, >a if and only if it a Cauchy sequence in the metric defined by...
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