Rhino

4 Questions
2 Answers

0

647

0

+25

Properties of matrix A.

I was wondering whether there is a way of solving these questions without calculating A.
I figured they probably didn't 'split-up' matrix A into three matrices for no reason.

This is the question;read more ..

difficulty advanced

Rhino Oct 27, 2014

0

806

1

+25

covariance of two samples

I have this exercise I'm having trouble with.
Could you help me out?

Suppose we have n independent random variables with expected value and variance for any i = 1,..., n. Let us also consider read more ..

difficulty advanced

Rhino Oct 20, 2014

+5

1736

4

+25

math question

You borrow $50 from your mom and $50 from your dad to buy a T-shirt.
The T-shirt costs $97 and you receive $3 change.
You give $1 to your mom, $1 to your dad and keep $1 to yourself.
Now you owe $49 to your mother $49 to your father read more ..

reinout-g ●●●●

Rhino Jun 12, 2014

0

915

2

+25

Find the derivative

Find the derivative of
y = t/(sqrt(ct^2-1))

Rhino Jun 5, 2014

+25

0

Aaah, thanks

RhinoJun 12, 2014

+25

0

Thank you Heureka

RhinoJun 5, 2014