Recent content by slashrulez

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    Am I missing something with exponential Fourier series?

    Whoops, it looks like I forgot to attach the picture
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    Am I missing something with exponential Fourier series?

    Hi, I'm in a signal processing class, and I'm having some trouble with complex numbers. As an example, I've attached a pretty simple question about an exponential Fourier series. I don't find these questions particularly hard, it just takes me ridiculously long to do them. I mean, after I...
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    Understanding Output and Input Resistance of an Op Amp in a Lab Setting

    This might break a record for speed or something, but I figured it out on my own. Reading over my own question made the answer pretty simple, so this can be ignored/locked/deleted.
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    Understanding Output and Input Resistance of an Op Amp in a Lab Setting

    Homework Statement The problem is within a lab, so I guess I need to give some background first. Pretty much, I'm starting with the circuit shown here. http://imgup.com/image-EC69_4D91309A.jpg For the part of the lab I'm interested in, the values of R1 and Rf were put as 1 kohms and 10...
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    Intro thermodynamics question (simple piston cylinder)

    Going to add another question that's been giving me some difficulty. (a) I think I know how to do this. I just set up Pv = ZRT and figured out Z from the lee-kesler diagram, then solved for v (b) I'm not sure on this. I mean, I assume I should start with Q - W = del U, and since it's...
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    Intro thermodynamics question (simple piston cylinder)

    Homework Statement No need to include the figure, it's pretty much a piston sitting on some stops. Homework Equations Errmm...none I think The Attempt at a Solution My question is in regards to part c, and then part e. I know that in state 2 it's a superheated vapour...
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    Simple Linear Algebra (determinant invertibility)

    I have a quick question about whether or not a matrix is invertible. The question asked is pretty simple, "Suppose that A is a square matrix such that det(A^4) = 0. Show that A cannot be invertible." I know how to explain it, but I'm not sure if it's really the "correct" way, as in I'm not...
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