Recent content by Defennder

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Yes there's such a thing. It's just called function of a random variable. A google search yields this: http://www.colorado.edu/geography/courses/geog_4033_f05/lectures/RV%20functions.pdf

If you do not have to work it out from first principles (and I do not think you have to), you could do it by using this L-transform formula: L[f(t-a)u(t-a)] = e^{-as}F(s) \text{ where F(s) is L.T. of } f(t). Of course in the case of (t-1)^4 u(t), it's not in a form which yields itself...

Hi granpa. Yeah it's been I think about a semester since that I took that class. Amazingly short memory I have. That explains a lot, so thanks for that. But it is assumed that the bound current (and hence the infinitesimal current loops) is 0, so how does that current model apply? We also...

Apply the http://en.wikipedia.org/wiki/Triple_product" for the first one then simplify. Do it repeatedly for the second.

Hi guys, I'm involved in a research project regarding discrete bit patterned media and I was tasked to figure out how a magnetic force microscope works for imaging magnetic islands on thin magnetic films coated on silicon substrate, as part of a preparatory literature review. So I pulled out...

Similar question asked here: https://www.physicsforums.com/showthread.php?t=315444

Does this discovery bear the same significance as Archaeopteryx for transitional fossils if confirmed?

Also see http://en.wikipedia.org/wiki/Optical_fiber" .

I find it rather surprising that your college allows you to do an applied math minor whilst completing a math degee. At my college, Comp Eng and EE majors can't do a minor in computer science despite the fact that computing is an entirely different faculty!

What's the difference between nuclear physics and nuclear engineering? Just the standard practical/theory distinction?

My sentiments exactly. He's your best friend, so what's wrong with asking him? Afraid you'll have to divulge in return your secret for acing a QM class? :wink:

I understand your approach now. Earlier I mistakenly thought D(f) referred to |X(f)| itself. If you're differentiating |X(f)| you have to differentiate the rect function itself. You can express the rect function as a function of two Heaviside step functions and then differentiate them to...

Well all you need to do is to understand it means for some function to be considered a legitimate pdf. What criteria must it satisfy?

I don't think it was mentioned anywhere that the probability of a win is 0.5. I'm assuming you treat each goal scored on a penalty kick as a 'win'. They denoted that as an unknown 'p' instead.