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EE263 homework problems Lecture 2 – Linear functions and ...

EE263 Autumn 2007-08 Prof. S. BoydEE263 homework problemsLecture 2 Linear functions and simple power control algorithm for a wireless some background. We considera network ofntransmitter/receiver pairs. Transmitteritransmits at power levelpi(whichis positive). The path gain from transmitterjto receiveriisGij(which are all nonnegative,andGiiare positive). The signal power at receiveriis given bysi=Giipi. The noise plusinterference power at receiveriis given byqi= +Xj6=iGijpjwhere >0 is the self-noise power of the receivers (assumed to be the same for all receivers).

2.6 Matrix representation of polynomial differentiation. We can represent a polynomial of degree less than n, p(x) = an−1x n−1 +a n−2x n−2 +··· +a 1x+a0, ... • To evaluate the cost functions (which will be functions of two variables) for their minima, you might find one or more of the Matlab commands norm, sum, abs, max, minand ...

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