S = {(2,5,3)} and T = {(2,0,5)} are two clusters. Two
clusters that S and T...
S = {(2,5,3)} and T = {(2,0,5)} are two clusters. Two
clusters that S and T spans are L(S) and L(T) . Is the intersection
of L (S) and L (T) a vector space? If yes, find this vector space.
If no, explain why there is no vector space.
Compare and contrast the properties of open clusters and globular
clusters. Indicate at least TWO way that they are similar? Indicate
at least TWO way that they are different?
Given two sets S and T, the direct product of S and T is the set
of ordered pairs S × T = {(s, t)|s ∈ S, t ∈ T}.Let V, W be two
vector spaces over F.
(a) Prove that V × W is a vector space over F under
componentwise addition and scalar multiplication (i.e. if (v1,
w1),(v2, w2) ∈ V × W, then (v1, w1) + (v2, w2) = (v1+w1, v2+w2) and
a(v, w) = (av, aw)...
Gaussian Mixture Model:
the initial means and variances of two clusters in a GMM are as
follows: ?(1)=−3, ?(2)=2, ?21=?22=4. Let ?1=?2=0.5.
Let ?(1)=0.2, ?(2)=−0.9, ?(3)=−1, ?(4)=1.2, ?(5)=1.8 be five
points that need to cluster.
Need to find
1) p(1|1)
2) p(1|2)
3) p(1|3)
4) p(1|4)
5) p(1|5)
Type or paste question here
ax+by+c=0.ax+by+c=0.
Let (s′,t′)(s′,t′) be the reflection of the point (s,t)(s,t) in
ℓℓ. Find a formula that computes the coordinates of (s′,t′)(s′,t′)
if one knows the numbers s,t,a,bs,t,a,b and cc. Your formula should
depend on the variables s,t,a,bs,t,a,b and cc. It should work for
arbitrary values of s,t,a,bs,t,a,b and cc as long as
(a,b)≠(0,0)(a,b)≠(0,0). Its output should be a point.
Suppose S = {p, q, r, s, t, u} and A = {p, q, s, t} and B = {r,
s, t, u} are events.
x p q r s t u
p(x) 0.15 0.25 0.2 0.15 0.1
(a) Determine what must be p(s).
(b) Find p(A), p(B) and p(A∩B).
(c) Determine whether A and B are independent. Explain.
(d) Arer A and B mutually exclusive? Explain.
(e) Does this table represent a probability istribution of any
random variable? Explain.
Calculate the average energy U(T) and entropy S(T) of a
paramagnet with two energy states ±μH in the presence of magnetic
field H. Take the limits of high and low temperature and draw
schematically the U(T) and S(T) dependences for two different
values of H.
An object’s position above the ground, s(t), in meters, after t
seconds is given by s(t) = 16t2+120t+6. (a) What is the position of
the object at time t = 3 seconds? (
b) Find the velocity of the object as a function of t.
(c) Find the object’s acceleration at any time t.
(d) When is the velocity of the object 56 m/s?
(e) Find the position of the object at the time when the
velocity is 56 m/s....