Question

Let |ψ> = a|0>+b|1> where a and b are nonnegative real numbers. We know that if we apply H to this qubit and then measure the resulting state in the sign basis, the probability of getting a + is 1/4

(a) What is |ψ> in the standard basis?
|0> =
|1> =

(b) What is |ψ> in the sign basis?
|+>
|->

Answer 1

does anyone know the answer

Answer 2

a) 1/2 + sqrt(3)/2

Answer 3

b) (1+sqrt(3))/(2*sqrt(2))

(1-sqrt(3))/(2*sqrt(2))

Answer 4

a) What quantum state do you have to input in order to get output |00⟩ ?

b) What quantum state do you have to input in order to get output |11⟩ ?

Answer 5

(c) What quantum state do you have to input in order to get output 1/2sqrt(|00⟩+|11⟩)?

Answer 6

Please answer someone!

Answer 7

what is the answer for these:
(a) What is |ψ> in the standard basis?
|0> =
|1> =

Answer 8

a) 1/sqrt(2) 0
0 1/sqrt(2)

Answer 9

b)0 1/sqrt(2)
-1/sqrt(2) 0

c)1/2 1/2
-1/2 1/2

Answer 10

answer for this please:
Let |ψ> = a|0>+b|1> where a and b are nonnegative real numbers. We know that if we apply H to this qubit and then measure the resulting state in the sign basis, the probability of getting a + is 1/4

(a) What is |ψ> in the standard basis?
|0> =
|1> =

Answer 11

What is the matrix (4x4) for ZX (Z applied on the first qubit and X applied on the second qubit)?

Answer 12

C) is wrong?

Answer 13

please a answer for this:
What is the matrix (4x4) for ZX (Z applied on the first qubit and X applied on the second qubit)?