Use the following ?gure as an aid in identifying the relationship between the rectangular, cylindrical, and spherical coordinate systems. For the following exercises, the cylindrical coordinates ( r , θ , z ) of a point are given. Find the rectangular coordinates ( x , y , z ) of the point. 365. ( 4 , 7 π 6 , 3 )
Use the following ?gure as an aid in identifying the relationship between the rectangular, cylindrical, and spherical coordinate systems. For the following exercises, the cylindrical coordinates ( r , θ , z ) of a point are given. Find the rectangular coordinates ( x , y , z ) of the point. 365. ( 4 , 7 π 6 , 3 )
Use the following ?gure as an aid in identifying the relationship between the rectangular, cylindrical, and spherical coordinate systems.
For the following exercises, the cylindrical coordinates
(
r
,
θ
,
z
)
of a point are given. Find the rectangular coordinates
(
x
,
y
,
z
)
of the point.
365.
(
4
,
7
π
6
,
3
)
System that uses coordinates to uniquely determine the position of points. The most common coordinate system is the Cartesian system, where points are given by distance along a horizontal x-axis and vertical y-axis from the origin. A polar coordinate system locates a point by its direction relative to a reference direction and its distance from a given point. In three dimensions, it leads to cylindrical and spherical coordinates.
1)
and
let Xt is stochastic process with WSS
and Rxlt t+t)
1) E (X5) = \ 1
2
Show that
E (X5 = X 3 = 2 (= = =)
Since X is WSSEL
2
3) find E(X5+ X3)²
4) sind E(X5+X2) J=1
***
Question 1: Let X be a random variable with p.m.f
(|x| +1)²
x= -2, -1, 0, 1,2
f(x) =
C
0,
O.W
1. The value of c.
2. The c.d.f.
3. E(X).
4. E(2x+3).
5. E(X²).
6. E(3x²+4).
7. E(X(3X+4)).
8. Var(X).
9. Var (6-3X).
10. Find the m.g.f of the random variable X
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