Consider an MA(1) process:
x_t = ω_t + θω_t-1,
where θ is a parameter.
(a) Deri...
![subject](/tpl/images/cats/mat.png)
Mathematics, 25.04.2020 01:43 zay179
Consider an MA(1) process:
x_t = ω_t + θω_t-1,
where θ is a parameter.
(a) Derive a formula for the power spectrum of x_t, expressed in terms of θ and ω.
(b) Use arma. spec() to plot the spectral density of x_t for θ > 0 and for θ < 0 (just select arbitrary values).
(c) How should we interpret the spectra exhibited in part (b)?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
The equation of a circle is (x - 3)2 + (y - 7)2 = 25. determine the length of the radius. 4 25 12.5 5 write the standard equation of the circle with center (2, 3) and a diameter of 12. (x - 2)2 + (y - 3)2 = 36 (x + 2)2 + (y + 3)2 = 12 (x - 2)2 + (y - 3)2 = 6 (x - 3)2 + (y - 2)2 = 36 the equation of a circle is (x + 3)2 + (y + 7)2 = 25. where is (3, 4) located in relation to the circle? on the circle in the interior of the circle in the exterior of the circle at the center of the circle
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
An empty bucket is placed under a faucet dripping at a constant rate of 4 milliliters per minute. with the given information, which of these statements is a reasonable conclusion? a there will be 24 milliliters of water in the bucket after 16 hour. b there will be 60 milliliters of water in the bucket after 14 hour. c there will be 160 milliliters of water in the bucket after 20 minutes. d there will be 100 milliliters of water in the bucket after 40 minutes.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30
When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/fizika.png)
Physics, 15.10.2019 20:10
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 15.10.2019 20:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.10.2019 20:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.10.2019 20:10
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.10.2019 20:10
![question](/tpl/images/cats/mat.png)
Mathematics, 15.10.2019 20:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 15.10.2019 20:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.10.2019 20:20