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2. (3 points) Which of these operators are linear? d2 03 ψ 04p 05 ψ dr2...
Let H be a complex Hilbert space. 6. (a) Let φ, ψ E H \ {0} . Define the linear operator T on H by Using the Cauchy...
Let H be a complex Hilbert space. 6. (a) Let φ, ψ E H \ {0} . Define the linear operator T on H by Using the Cauchy-Schwarz inequality, show that llll = Hell ll [4 marks] (b) A bounded linear operator A is said to have rank one if there exists v e H [0 such that for any u E H we have Au cu, where cu E C is a constant depending on u. (i) Show that...
5. (2+2+3 Points) Consider the linear wave equation for-oo <エ<oo,-oo < t <oo for - oo<<oo...
5. (2+2+3 Points) Consider the linear wave equation for-oo <エ<oo,-oo < t <oo for - oo<<oo for utt-c2uzz = f(x, t) tr(r,0)- (r) _oo < x < oo. a. Sketch the domain of dependence of the point (,t) (4, 1) in the (x, t)-plane in 1. case c = 2, Do the same in the case c b. State the general solution forrnula for this problem! in terms of the data f, φ, ψ. c. Now suppose ψ = 0...
2. [10 points] For a Simple Harmonic Oscillator: a) Draw ψ(x) and ψ2(x) for the u,...
2. [10 points] For a Simple Harmonic Oscillator: a) Draw ψ(x) and ψ2(x) for the u, and v-6 states. Make sure to include as much detail as possible. b) Show that 2(3) is normalized. 3. [5] A certain non-halogen diatomic molecule was found to have a force constant of 99 N/m and an observed vibrational frequency of 162.2 cm1 Determine the identity of the unknown diatomic 4. [10 points) a) What is the difference between commuting and non-commuting operators? What...
3. [3 points) Let S T be bounded linear operators on a normed space X. Show...
3. [3 points) Let S T be bounded linear operators on a normed space X. Show that for every de p(S) np(T) one has RX(T) - RX(S) = RX(T)(S-T)RX(S). 4. [3 points) Let T be a linear operator on 12 defined by Tr - (E2, E1, E3, E1,85,...) (permutation of first two components). Find and classify the spectrum of T.
1. Consider a system R(α, β) which can be represented by operators P,, Qß. R(α, β) Here P is a tr...
Linear System
Time-invariant, impulse response function
1. Consider a system R(α, β) which can be represented by operators P,, Qß. R(α, β) Here P is a truncation operator. That is, it performs the following operation for given α 2 0 and u(1), - < t < 00, 11(1) İf12α And a is a shift operator. That is, it performs the following operation for given β 0 and v(1), - < t < ao Assume that R(α, β) is relaxed at...
2. The ladder operators can be used to determine the lowest eigenstate (ground state) of the...
2. The ladder operators can be used to determine the lowest eigenstate (ground state) of the harmonic oscillator by using the following relation of the annihilation operator, à alo) - 0 This equation is fundamental to ladder operators and implies that it is not possible to step down further in energy than the ground state. Determine the ground state wave function h(x (i.e. [0) using the relation above and the following information The annihilation operator is defined as: ) ·The...
I need part c please :) 2. What makes the operators a and a', defined...
I need part c please :)
2. What makes the operators a and a', defined in problem 1 e, of the last homework, useful, is that they make it easy to manipulate the solutions to the harmonic oscillator. The general behavior of the operators when they operate on harmonic oscillator wavefunctions, yv, is as follows: a' SQRT(v+1) i.c., operating with a' on one of the harmonic oscillator eigenfunctions, ww, converts it to the next highest eigenfunction, ψν+1-Therefore at is...
3. (5 points) Chapter 3. #4 (modified). Prove the following properties related to Hermitian operators: (a)...
3. (5 points) Chapter 3. #4 (modified). Prove the following properties related to Hermitian operators: (a) If Ô and 6 are Hermitian, so is Ê + 0. (b) If z is any complex number and if Ô is Hermitian, then zÔ is Hermitian if and only if z is real. (c) If Ê and Ộ are Hermitian and if they commute, the Ộ Ô is Hermitian. In your proof, indicate explicitly which step requires the two operators to commute. (d)...
4. (3 points each-18 points) Which of the following transformations are linear? Justify your answer by...
4. (3 points each-18 points) Which of the following transformations are linear? Justify your answer by proving that it's linear or not linear. The input is u-(v1,v2) є R2 (a) T(u)= (v2,vi) (b) T(u)= (vi, vi) (c) T(t) = (0,v) 0,1 (e) T(v) v-2 (f) T(v) v2
Problems binomial random variable has the moment generating function ψ(t)-E( ur,+1-P)". Show, that EIX) np and...
Problems binomial random variable has the moment generating function ψ(t)-E( ur,+1-P)". Show, that EIX) np and Var(X)-np(1-P) using that EXI-v(0) and Elr_ 2. Lex X be uniformly distributed over (a b). Show that EX]- and Varm-ftT using the first and second moments of this random variable where the pdf of X is () Note that the nth i of a continuous random variable is defined as E (X%二z"f(z)dz. (z-p?expl- ]dr. ơ, Hint./ udv-w-frdu and r.e-//agu-VE. 3. Show that 4 The...
Let H be a complex Hilbert space. 6. (a) Let φ, ψ E H \ {0} . Define the linear operator T on H by Using the Cauchy-Schwarz inequality, show that llll = Hell ll [4 marks] (b) A bounded linear operator A is said to have rank one if there exists v e H [0 such that for any u E H we have Au cu, where cu E C is a constant depending on u. (i) Show that...
5. (2+2+3 Points) Consider the linear wave equation for-oo <エ<oo,-oo < t <oo for - oo<<oo for utt-c2uzz = f(x, t) tr(r,0)- (r) _oo < x < oo. a. Sketch the domain of dependence of the point (,t) (4, 1) in the (x, t)-plane in 1. case c = 2, Do the same in the case c b. State the general solution forrnula for this problem! in terms of the data f, φ, ψ. c. Now suppose ψ = 0...
2. [10 points] For a Simple Harmonic Oscillator: a) Draw ψ(x) and ψ2(x) for the u, and v-6 states. Make sure to include as much detail as possible. b) Show that 2(3) is normalized. 3. [5] A certain non-halogen diatomic molecule was found to have a force constant of 99 N/m and an observed vibrational frequency of 162.2 cm1 Determine the identity of the unknown diatomic 4. [10 points) a) What is the difference between commuting and non-commuting operators? What...
3. [3 points) Let S T be bounded linear operators on a normed space X. Show that for every de p(S) np(T) one has RX(T) - RX(S) = RX(T)(S-T)RX(S). 4. [3 points) Let T be a linear operator on 12 defined by Tr - (E2, E1, E3, E1,85,...) (permutation of first two components). Find and classify the spectrum of T.
Linear System
Time-invariant, impulse response function
1. Consider a system R(α, β) which can be represented by operators P,, Qß. R(α, β) Here P is a truncation operator. That is, it performs the following operation for given α 2 0 and u(1), - < t < 00, 11(1) İf12α And a is a shift operator. That is, it performs the following operation for given β 0 and v(1), - < t < ao Assume that R(α, β) is relaxed at...
2. The ladder operators can be used to determine the lowest eigenstate (ground state) of the harmonic oscillator by using the following relation of the annihilation operator, à alo) - 0 This equation is fundamental to ladder operators and implies that it is not possible to step down further in energy than the ground state. Determine the ground state wave function h(x (i.e. [0) using the relation above and the following information The annihilation operator is defined as: ) ·The...
I need part c please :)
2. What makes the operators a and a', defined in problem 1 e, of the last homework, useful, is that they make it easy to manipulate the solutions to the harmonic oscillator. The general behavior of the operators when they operate on harmonic oscillator wavefunctions, yv, is as follows: a' SQRT(v+1) i.c., operating with a' on one of the harmonic oscillator eigenfunctions, ww, converts it to the next highest eigenfunction, ψν+1-Therefore at is...
3. (5 points) Chapter 3. #4 (modified). Prove the following properties related to Hermitian operators: (a) If Ô and 6 are Hermitian, so is Ê + 0. (b) If z is any complex number and if Ô is Hermitian, then zÔ is Hermitian if and only if z is real. (c) If Ê and Ộ are Hermitian and if they commute, the Ộ Ô is Hermitian. In your proof, indicate explicitly which step requires the two operators to commute. (d)...
4. (3 points each-18 points) Which of the following transformations are linear? Justify your answer by proving that it's linear or not linear. The input is u-(v1,v2) є R2 (a) T(u)= (v2,vi) (b) T(u)= (vi, vi) (c) T(t) = (0,v) 0,1 (e) T(v) v-2 (f) T(v) v2
Problems binomial random variable has the moment generating function ψ(t)-E( ur,+1-P)". Show, that EIX) np and Var(X)-np(1-P) using that EXI-v(0) and Elr_ 2. Lex X be uniformly distributed over (a b). Show that EX]- and Varm-ftT using the first and second moments of this random variable where the pdf of X is () Note that the nth i of a continuous random variable is defined as E (X%二z"f(z)dz. (z-p?expl- ]dr. ơ, Hint./ udv-w-frdu and r.e-//agu-VE. 3. Show that 4 The...
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