Given the following joint density,
f(x,y)={10xy^2 if 0<x<y<1
f(x,y)={ 0 otherwise
1. frequency function x given...
Given the following joint density,
f(x,y)={10xy^2 if 0<x<y<1
f(x,y)={ 0 otherwise
1. frequency function x given y
2. E(x given y), Var(x given y)
3. Var(E(x given y), E(Var(x given y)
part 1)
Find the partial derivatives of the function
f(x,y)=xsin(7x^6y):
fx(x,y)=
fy(x,y)=
part 2)
Find the...
part 1)
Find the partial derivatives of the function
f(x,y)=xsin(7x^6y):
fx(x,y)=
fy(x,y)=
part 2)
Find the partial derivatives of the function
f(x,y)=x^6y^6/x^2+y^2
fx(x,y)=
fy(x,y)=
part 3)
Find all first- and second-order partial derivatives of the
function f(x,y)=2x^2y^2−2x^2+5y
fx(x,y)=
fy(x,y)=
fxx(x,y)=
fxy(x,y)=
fyy(x,y)=
part 4)
Find all first- and second-order partial derivatives of the
function f(x,y)=9ye^(3x)
fx(x,y)=
fy(x,y)=
fxx(x,y)=
fxy(x,y)=
fyy(x,y)=
part 5)
For the function given below, find the numbers (x,y) such that
fx(x,y)=0 and fy(x,y)=0
f(x,y)=6x^2+23y^2+23xy+4x−2
Answer: x= and...
Let f(x,y)=1 for 0<x<1, 0<y<1 and 0 otherwise. Find
the probability density function of Z=max(X, Y)
Let f(x,y)=1 for 0<x<1, 0<y<1 and 0 otherwise. Find
the probability density function of Z=max(X, Y)
Let f(x,y)=1 for 0<x<1, 0<y<1 and 0 otherwise. Find
the probability density function of Z=max(X, Y)
Let f(x,y)=1 for 0<x<1, 0<y<1 and 0 otherwise. Find
the probability density function of Z=max(X, Y)
1.Show that near the origin,sinx+siny≈x+y
2.Find the first order partial derivatives of
f (x, y, z)...
1.Show that near the origin,sinx+siny≈x+y
2.Find the first order partial derivatives of
f (x, y, z) = xysin (xy) + e^z^2
The joint probability density function of x and y is given by
f(x,y)=(x+y)/8 0<x<2, 0<y<2 0...
The joint probability density function of x and y is given by
f(x,y)=(x+y)/8 0<x<2, 0<y<2 0 otherwise
calculate the variance of (x+y)/2
(3)If H(x, y) = x^2 y^4 + x^4 y^2 + 3x^2 y^2 + 1, show that...
(3)If H(x, y) = x^2 y^4 + x^4 y^2 + 3x^2 y^2 + 1, show that H(x,
y) ≥ 0 for all (x, y). Hint: find the minimum value of H.
(4) Let f(x, y) = (y − x^2 ) (y − 2x^2 ). Show that the origin
is a critical point for f which is a saddle point, even though on
any line through the origin, f has a local minimum at (0, 0)